115099 trend cen anchorage guidelines - trinity highway

Part No. 115099 Revision B December 2014 www.trinityhighway.com 1 All rights in copyright reserved

TREND® CEN End Terminal

Anchorage Guidelines Trinity Highway Products, LLC d.b.a.

2525 Stemmons Freeway Dallas, Texas 75207

Important: These instructions are to be used only in conjunction with the assembly, maintenance, and repair of the TREND® CEN End Terminal system. These instructions are for standard assemblies specified by the appropriate highway authority only. In the event the specified system assembly, maintenance, or repair would require a deviation from standard assembly parameters, contact the appropriate highway authority engineer. This system has been accepted for use by the European Standard ENV 1317-4 for use on the highway system under strict criteria utilized by that agency. Trinity Highway International representatives are available for consultation if required.

This Manual must be available to the worker overseeing and/or assembling the product at all times. For additional copies, contact Trinity Highway International at +1 (214) 589-8140 or download copies from the website below.

The instructions contained in this Manual supersede all previous information and Manuals. All information, illustrations, and specifications in this Manual are based on the latest TREND® CEN End Terminal system information available to Trinity Highway International at the time of printing. We reserve the right to make changes at any time. Please contact Trinity Highway International to confirm that you are referring to the most current instructions.

Revision B December 2014 www.trinityhighway.com 2 All rights in copyright reserved

Table of Contents Customer Service Contacts .......................................................................................................... 3

Important Introductory Notes ........................................................................................................ 3

Recommended Safety Rules for Assembly .................................................................................. 4

Safety Symbols ............................................................................................................................. 5

Warnings and Cautions: ................................................................................................................ 5

Limitations and Warnings .............................................................................................................. 6

System Anchorage Components .................................................................................................. 7

TREND® CEN End Terminal Anchorage Assembly ...................................................................... 8

Recommended Tools ................................................................................................................ 8

Assembly Procedures ............................................................................................................... 9

Deploy Traffic Control ................................................................................................................ 9

P4 System ................................................................................................................................... 10

1.0 Driven Lower Posts ........................................................................................................... 11

2.0 Augered/Backfilled Post Holes .......................................................................................... 14

3.0 Concrete Foundations ....................................................................................................... 19

P2 System ................................................................................................................................... 22

1.0 Driven Lower Posts ........................................................................................................... 23

2.0 Augered/Backfilled Post Holes .......................................................................................... 25

3.0 Concrete Foundations ....................................................................................................... 29

Post-Impact System Repair Instructions ..................................................................................... 32

Soil Plate Option ......................................................................................................................... 33

Head Post Anchorage Test ..................................................................................................... 33


Customer Service Contacts Trinity Highway International is committed to the highest level of customer service. Feedback regarding the TREND® CEN End Terminal, its assembly procedures, supporting documentation, and performance is always welcome. Additional information can be obtained from the contact information below:

Trinity Highway Products, LLC dba Trinity Highway International

Telephone: +1 (214) 589-8140

E-mail: [email protected]

Website www.trinityhighway.com

Important Introductory Notes Proper assembly of the TREND® CEN End Terminal is critical to achieve tested performance that has been evaluated and accepted per ENV 1317-4. These instructions should be read in their entirety and understood before assembling the TREND® CEN End Terminal. These instructions are to be used only in conjunction with the assembly of the TREND® CEN End Terminal and are for standard assemblies only as specified by the appropriate highway authority. If you need additional information, or have questions about the TREND® CEN End Terminal, please contact the highway authority that has planned and specified this assembly and, if needed, contact the Trinity Highway International Customer Service Department. This product must be assembled in the location specified by the appropriate highway authority. If there are deviations, alterations, or departures from the assembly protocol specified in this Manual, the device may not perform as it was tested and accepted.

This Manual is intended to provide guidance for new assemblies of the TREND® CEN End Terminal. It is critical that the TREND® CEN End Terminal posts are placed in suitable ground/soil/foundations that will allow the system to fully perform in accordance with the design specification. Should you have any questions about this, please contact the appropriate highway authority that specified the TREND® CEN End Terminal at this particular location for guidance. Trinity Highway International is available for consultation with that authority.

This system, like other Trinity Highway International systems, has been crash tested pursuant to ENV 1317-4 mandated criteria.

Important: DO NOT use any component part that has not been specifically crash tested and/or approved for this system during the assembly or repair of this system.


This product has been specified for use by the appropriate highway authority and has been provided to that user who has unique knowledge of how this system is to be assembled. No person should be permitted to assist in the assembly, maintenance, or repair of this system that does not possess the unique knowledge described above. These instructions are intended for an individual qualified to both read and accurately interpret them as written. These instructions are intended only for an individual experienced and skilled in the assembly of highway products that are specified and selected by the highway authority.

A set of product drawings are available from Trinity Highway International upon request. Such drawings should be reviewed and studied thoroughly by a qualified individual who is skilled in interpreting them before the start of any product assembly.

Important: Read safety instructions thoroughly and follow the suggested safe practices before assembling, maintaining, or repairing the TREND® CEN End Terminal. Failure to follow this warning can result in serious injury or death to the worker and/or bystanders. Please keep up-to-date instructions available for later use and reference by anyone involved in the assembly of this product.

Warning: Ensure that all of the TREND® CEN End Terminal Danger, Warning, Caution, and Important statements within the TREND® CEN End Terminal Manual are followed completely.

Safety Rules for Assembly * Important Safety Instructions *

This Manual must be kept in a location where it is readily available to persons who assemble, maintain, or repair the TREND® CEN End Terminal. Additional copies of this Manual and the Product Description Assembly Manual are immediately available from Trinity Highway International by calling +1 (214) 589-8140 or by e-mail at [email protected]. Please contact Trinity Highway International if you have any questions concerning the information in this Manual or about the TREND® CEN End Terminal. This Manual may also be downloaded directly from the website listed in the Customer Service Contact section (see p. 3).

Always use appropriate safety precautions when operating power equipment and when moving heavy equipment or the TREND® CEN End Terminal components. Work gloves, safety goggles, safety-toe shoes, and back protection should be used.

Safety measures incorporating traffic control devices specified by the highway authority must be used to provide safety for personnel while at the assembly, maintenance, or repair site.


Safety Symbols This section describes safety symbols that may appear in the TREND® CEN End Terminal Manual. Read the Manual for complete safety and assembly information.

Symbol Meaning

Safety Alert Symbol: Indicates Danger, Warning, Caution, or Important. Failure to read and follow the Danger, Warning, Caution, or Important indicators could result in serious injury or death to workers and/or bystanders.

Warnings and Cautions: Read all instructions before assembling, maintaining, or repairing the TREND® CEN End Terminal.

Danger: Failure to comply with these warnings could result in increased risk of serious injury or death in the event of a vehicle impact with a system that has not been accepted by the European Standard ENV 1317-4 (Terminals and Transitions).

Warning: Do not assemble, maintain, or repair the TREND® CEN End Terminal until you have read this Manual thoroughly and completely understand it. Ensure that all Danger, Warning, Caution, and Important statements within this Manual are followed completely. Please call Trinity Highway International at +1 (214) 589-8140 if you do not understand these instructions. UNDER NO CIRCUMSTANCES SHOULD ASSEMBLY, MAINTENANCE, OR REPAIR BE ATTEMPTED BY SOMEONE WHO DOES NOT HAVE THE EXPERIENCE, SKILL, OR ABILITY TO READ, COMPREHEND, AND PRECISELY FOLLOW THESE INSTRUCTIONS.

Warning: Safety measures incorporating appropriate traffic control devices specified by the highway authority must be used to protect all personnel while at the assembly, maintenance, or repair site.

Warning: Be sure adequate time is available for complete assembly, maintenance, or repair before beginning the assembly, maintenance, or repair process.

Warning: Use only Trinity Highway International parts specified herein for assembling, maintaining, or repairing the TREND® CEN End Terminal. Do not utilize or otherwise comingle parts from other systems even if those systems are other Trinity Highway International systems. Such configurations have not been tested, nor have they been accepted for use. Assembly, maintenance, or repair using unspecified parts or accessories is strictly prohibited. Failure to follow this warning could result in serious injury or death in the event of a vehicle impact with an UNACCEPTED system.

Warning: Do NOT modify the TREND® CEN End Terminal in any way.


Important: Trinity Highway International makes no recommendation whether use or reuse of any part of the system is appropriate or acceptable following an impact. It is the sole responsibility of the local highway authority and its engineers to make that determination. It is critical that you inspect this product after assembly is complete to make certain that the instructions provided in this Manual have been strictly followed.

Warning: Ensure that the TREND® CEN End Terminal and delineation used meet all local specifications.

Warning: Ensure that your assembly meets all appropriate local specifications and standards. If you have any questions during the assembly of a TREND® CEN End Terminal at a particular system assembly site, contact the specifying highway authority immediately.

Warning: Ensure that there is proper site grading for TREND® CEN End Terminal placement as dictated by the specifying agency.

Limitations and Warnings

The TREND® CEN End Terminal was tested to meet the requirements and guidelines of the P2 and P4 performance classes using the CEN criteria described in European Standard ENV 1317-4 (Terminals and Transitions).

These tests are not intended to represent the performance of products when impacted by every vehicle type, nor every impact condition existing on the roadway. The tests are performed to measure impacts involving vehicles specified by ENV 1317-4, under those specific impact conditions.

Trinity Highway International neither represents nor warrants that the impact results of these ENV 1317-4 established test criteria prevent or reduce the severity of any injury to person(s) or damage to property. These tests only demonstrate the occurrence of certain results following an impact within ENV 1317-4 criteria. Every departure from the roadway is a unique event.

The TREND® CEN End Terminal is intended to be assembled, delineated, and maintained in accordance with local guidelines. It is important for the highway authority specifying the use of a highway product to select the most appropriate product configuration for its site specifications. Careful assessment of the site lay out, vehicle population type; speed, traffic direction, and visibility are some of the elements that require evaluation in the selection of a highway product. For example, curbs could cause conditions which differ from those described in ENV 1317-4 and may result in different crash test results than those encountered in testing

The TREND® CEN End Terminal may be connected directly to W-Beam barrier with a containment level of N2 and a working width of W2 or W3. For connections to barriers having different containment levels and/or different working widths, appropriate connections, per your local jurisdiction, should be used. For further information, please contact your terminal supplier.

After an impact occurs, the debris from the impact should be removed from the area immediately and the TREND® CEN End Terminal should be evaluated and either restored to its original specified condition or replaced as the highway authority determines as soon as possible.


System Anchorage Components Please see below for the list of system anchorage components and quantities required.

For Driven Post System Only:

Lower Post (1.1 m)

Front Lower Post (1.1 m)

Soil Plate

612689G P4 QTY. = 4 P2 QTY. = 0

612692G P4 QTY. = 2 P2 QTY. = 2

614481G P4 QTY. = 1 P2 QTY. = 1

E004 Assembly (M10x80 Hex)

115215G P4 QTY. = 2 P2 QTY. = 2

For Concrete Socketed System Only:

Concrete Socket Short Lower Post (0.82 m)

Short Front Lower Post (0.82 m)

614474G P4 QTY. = 6 P2 QTY. = 2

612695G P4 QTY. = 4 P2 QTY. = 0

612693G P4 QTY. = 2 P2 QTY. = 2


TREND® CEN End Terminal Anchorage Assembly

Recommended Tools

Documentation

Manufacturer’s Instructional Manual

Manufacturer’s Drawing Package

Personal protective equipment

Safety Glasses

Work Gloves

Safety-Toe Shoes

Back Protection

Reflective Vest

Miscellaneous

Traffic Control Equipment

Chalk Line

Tape Measure

Marking Paint

Straight Edge

Level

Plumb Line

Augers

- 200 mm for augered/backfilled option

- 600 mm for concrete foundation option

Soil Tamper

Post Pounder (commonly used for driving posts)

Note: The above list of tools is a general recommendation. Depending on specific site conditions and the complexity of the assembly specified by the appropriate highway authority, additional or fewer tools may be required. Decisions as to what tools are needed to perform the job are entirely within the discretion of the specifying highway authority and the authority’s selected contractor performing the assembly of the system at the authority’s specified assembly site.


Caution: Read and understand all instructions before beginning assembly.

Important: Positioning of the posts is critical. Measure each post from the center and relevant distance back from the road carefully. Double check all measurements before placing the lower posts into the ground.

Assembly Procedures

Note: The drawing package provided with the TREND® CEN End Terminal must be used with these instructions for proper assembly and should take precedence over these general instructions.

Deploy Traffic Control A traffic control plan appropriate to the complexity of the project should be prepared and understood by all parties before the TREND® CEN End Terminal assembly begins.

Deploy the appropriate work zone safety devices prior to beginning the assembly and keep them present through all phases of the assembly.

Warning: The correct safety equipment and approved traffic management must be used as required for any particular installation site using the TREND® CEN End Terminal.


P4 System

Important: Positioning of the posts is critical. Double check all measurements before placing the posts into the ground.

Figure 1

FRONT OF SYSTEM

POST 1

POST 2

POST 3

POST 4

POST 5

POST 6

TOWARDS EXISTING GUARDRAIL (DOWNSTREAM)

BACK OF SYSTEM

UPSTREAM


1.0 Driven Lower Posts

Note: Any variation of system post pitch at the end of the downstream guardrail must be ‘evened out’ to reduce pocketing effects. If the dimensions to the end guardrail post is greater than the system post pitch then adjust by not more than one working width difference the adjacent downstream post.

1.1 Starting with the post locations closest to the guardrail, drive (1) Lower Post to the correct depth using a post driver, orient as shown (See to Figure 2). The center of the Tension Bolt hole should be approximately 15 mm above the ground (see Figure 3).

Note: Post spacing is 2.0 m (see TREND® CEN End Terminal Product Description Assembly Manual).

GROUND

LOWER POST

15 mm

LOWER POST (POST 6)

EXISTING GUARDRAIL (SUPPLIED BY OTHERS

M1

DT1

Figure 2

Figure 3


1.2 Repeat step 1.1 for the remaining three Lower Posts (i.e., Posts 5, 4, and 3).

1.3 Next, drive (1) Front Lower Post to the correct depth at the post 2 location using a post driver, orient as shown (see Figure 4). The center of the Tension Bolt hole should be approximately 15 mm above the ground (see Figure 5).

Note: Do not drive the final Front Lower Post (i.e., Post 1).

FRONT LOWER POST (POST 2)

LOWER POST (POST 3)

DT1

GROUND


15 mm

figure 4

figure 5


1.4 Using (2) E004 fastener assemblies (i.e., two 10 mm x 80 mm Soil Plate Bolts and two 10 mm Hex Nuts), attach the Soil Plate to the final Front Lower Post (i.e., Post 1) (see Figure 6).

Figure 6

1.5 Auger a 600 mm diameter hole to a depth of 1.0 m at the final post location (i.e., the

post location farthest from the guardrail). Center the Front Lower Post with Soil Plate in the hole.

Note: The center of the Tension Bolt hole should be approximately 15 mm above the ground (see Figure 7).

Figure 7

1.6 Backfill the hole. Periodically pack the backfill material with a soil tamper or other means to develop the required compaction (see the Ground Anchorage – Post Foundations portion of the TREND® CEN Product Description Assembly Manual).

1.7 Repeat step 1.6 until the hole is filled. Be sure not to bury the Tension Bolt hole.


TWO E004 FASTENER ASSEMBLIES

SOIL PLATE

TWO HEX NUTS

GROUND


15 mm

SOIL PLATE


2.0 Augered/Backfilled Post Holes


2.1 Use a 600 mm core device to auger the hole farthest from the guardrail (i.e., Post hole 1) to a depth of 1.0 m. Use a 200 mm core device to auger all other holes (i.e., Post holes 2, 3, 4, 5, and 6) to a depth of 1.0 m – typical 5 places (see Figure 8).

Note: Post hole spacing is 2.0 m (see TREND® CEN Product Description Assembly Manual).

Figure 8

POST HOLE 1 (Ø 600 mm x 1.0 m)



DT1

M1

EXISTING GUARDRAIL (SUPPLIED BY OTHERS)





2.2 Center (1) Lower Post in the hole closest to the guardrail (i.e., Post 6), oriented as shown (see Figure 9).

Figure 9

2.3 Measure the height of the center of the Tension Bolt hole (in the Lower Post) above

the ground. The height should be approximately 15 mm. If the post is too low add some soil back into the hole. If the post is too high either pound the post down or core out more soil (see Figure 10).

Figure 10

GROUND

LOWER POST

15 mm

LOWER POST (POST 6)

M1 DT1





2.6 Repeat steps 2.2 through 2.5 for the remaining three Lower Posts (i.e., Posts 5, 4, and 3).

2.7 Next, center (1) Front Lower Post in the next augured hole (i.e., 5th hole – Post 2), orient as shown (see Figure 11).


Figure 11


LOWER POST (POST 3)

DT1


2.8 Measure the height of the center of the Tension Bolt hole (in the Lower Post) above the ground. The height should be approximately 15 mm. If the post is too low add some soil back into the hole. If the post is too high either pound the post down or core out more soil (see Figure 12).

Note: Do not place the final Front Lower Post (i.e., Post 1) yet.

Figure 12




Figure 13

GROUND


15 mm



SOIL PLATE

TWO HEX NUTS


2.12 Center the Front Lower Post (i.e., Post 1) with Soil Plate in the final hole.




GROUND


15 mm

SOIL PLATE

Figure 14


3.0 Concrete Foundations


3.1 Auger a 600 mm diameter hole to a depth of 0.9 m at each post location – typical 6 places (see Figure 15).





DT1

M1





figure 15


3.2 Pour concrete foundation, vibrate and compact.

Note: The nominal height of the top of the concrete foundation to ground level must be 125 mm +15/-0 mm (see Figure 16).

Note: Specified concrete grade is ST5 or minimum C25 to BS 8500-1/BS EN 206-1 or equivalent.

Figure 16

3.3 Cover the hole in the bottom of the Concrete Socket with a suitable tape in order to prevent the wet concrete from leaching into the socket.

3.4 Center the Concrete Socket into the concrete foundation making sure the socket

remains plumb in both planes.

Note: The Concrete Socket must protrude 10-20 mm above the level of the concrete foundation (see Figure 17) [Ground not shown for clarity].

Figure 17

GROUND LEVEL

CONCRETE FOUNDATION

125 mm

Ø600 mm

TOWARDS EXISTING GUARDRAIL

CONCRETE SOCKET

CONCRETE FOUNDATION

POST HOLE CENTERLINE


3.5 Repeat steps 3.2 through 3.4 for the remaining concrete foundations.

Note: Allow sufficient time for the concrete to cure before proceeding.

3.6 Starting with the concrete foundation closest to the existing guardrail, insert (1) Short Lower Post into each Concrete Socket – typical 4 places (i.e., Posts 6, 5, 4, and 3). Next insert (1) Short Front Lower Post into each of the remaining two Concrete Sockets (i.e., Posts 2 and 1) (see Figure 18 [Ground not shown for clarity]).

Figure 18

SHORT LOWER POST

CONCRETE SOCKET

CONCRETE FOUNDATION




P2 System

Important: Positioning of the posts is critical. Double check all measurements before placing the posts into the ground. Failure to follow this warning could result in serious injury or death in the event of a collision.

Figure 19

FRONT OF SYSTEM

POST 1

POST 2

TOWARDS EXISTING GUARDRAIL (DOWNSTREAM)

BACK OF SYSTEM

UPSTREAM


1.0 Driven Lower Posts


1.1 Starting with the post locations closest to the guardrail, drive (1) Front Lower Post to the correct depth using a post driver, orient as shown (see Figure 20). The center of the Tension Bolt hole should be approximately 15 mm above the ground (see Figure 21).

Note: Post spacing is 2.0 m (see TREND® CEN End Treatment Product Description Assembly Manual).


EXISTING GUARDRAIL (SUPPLIED BY OTHERS

M1

DT1

figure 21

GROUND


15 mm

figure 20



Figure 22

1.3 Auger a 600 mm diameter hole to a depth of 1.0 m at the final post location (i.e., the post location farthest from the guardrail). Center the Front Lower Post with Soil Plate in the hole.


1.4 Backfill the hole. Periodically pack the backfill material with a soil tamper or other

means to develop the required compaction (see the Ground Anchorage – Post Foundations portion of the TREND® CEN Product Description Assembly Manual).




SOIL PLATE

TWO HEX NUTS

GROUND


15 mm

SOIL PLATE

figure 23


2.0 Augered/Backfilled Post Holes


2.1 Use a 600 mm core device to auger the hole farthest from the guardrail (i.e., Post hole 1) to a depth of 1.0 m. Use a 200 mm core device to auger all other holes (i.e., Post hole 2) to a depth of 1.0 m (see Figure 24).

Note: Post hole spacing is 2.0 m (See TREND® CEN Product Description Assembly Manual).




DT1

M1

figure 24


2.2 Center (1) Front Lower Post in the hole closest to the guardrail (i.e., Post 2), oriented as shown (see Figure 25).

2.3 Measure the height of the center of the Tension Bolt hole (in the Front Lower Post)

above the ground. The height should be approximately 15 mm. If the post is too low add some soil back into the hole. If the post is too high either pound the post down or core out more soil (see Figure 26).

GROUND

FRONT LOWER POST

15 mm


EXISTING GUARDRAIL (SUPPLIED BY OTHERS) M1

DT1

figure 26

figure 25


2.4 Backfill the hole. Periodically pack the backfill material with a soil tamper or other means to develop the required compaction (see the Ground Anchorage – Post Foundations portion of the TREND® CEN Product Description Assembly Manual.



Figure 27



SOIL PLATE

TWO HEX NUTS


2.7 Center the Front Lower Post (i.e., Post 1) with Soil Plate in the final hole.





GROUND


15 mm

SOIL PLATE

figure 28


3.0 Concrete Foundations


3.1 Auger a 600 mm diameter hole to a depth of 0.9 m at each post location – typical 2 places (see Figure 29).


figure 29




DT1

M1


3.2 Pour concrete foundation, vibrate and compact.

Note: The nominal height of the top of the concrete foundation to ground level must be 125 mm +15/-0 mm (see Figure 30).

Note: Specified concrete grade is ST5 or minimum C25 to BS 8500-1/BS EN 206-1 or equivalent.

Cover the hole in the bottom of the Concrete Socket with a suitable tape in order to prevent the wet concrete from leaching into the socket.

3.3 Center the Concrete Socket into the concrete foundation making sure the socket remains plumb in both planes.

Note: The Concrete Socket must protrude 10-20 mm above the level of the concrete foundation (see Figure 31) [Ground not shown for clarity].

GROUND LEVEL

CONCRETE FOUNDATION

125 mm

Ø 600 mm


CONCRETE SOCKET

CONCRETE FOUNDATION


figure 30

figure 31


3.4 Repeat steps 3.2 through 3.4 for the remaining concrete foundations.

Note: Allow sufficient time for the concrete to cure before proceeding.

3.5 Starting with the concrete foundation closest to the existing guardrail, insert (1) Short Front Lower Post into each Concrete Socket – typical 2 (see Figure 32 [Ground not shown for clarity]).

SHORT FRONT LOWER POST

CONCRETE SOCKET

CONCRETE FOUNDATION



figure 32


Post-Impact System Repair Instructions

1. Deploy the appropriate traffic-control devices to protect your workforce.

2. Clear and dispose of any debris on the site.

3. Remove and dispose of all damaged components.

4. Determine which E006 fastener assemblies (i.e., Tension Bolts) are damaged/broken. Replace all Lower Posts where the E006 fastener assembly (i.e., Tension Bolt) has been damaged. This will ensure that all Lower Posts are undamaged.

5. Replace all E006 fastener assemblies (i.e., Tension Bolts) regardless of whether they look damaged or not.

6. Replace all damaged components per the Product Description Assembly Manual.

7. Be sure to torque all fasteners to their appropriate values (see TREND® CEN Product Description Assembly Manual).


Soil Plate Option The TREND® CEN End Terminal was specifically designed to utilize a soil plate on the Front Lower Post for all systems using the driven post option. This system performs optimally when using the configuration detailed earlier in this Manual. Every effort must be made to assemble the system as originally designed (see p. 10 – 29).

Rare instances exist when the assembly site will not permit the use of the standard soil plate (e.g. assemblies in rocky foundations). The purpose of this addendum is to detail a test procedure to allow for variations of the soil plate placement if certain test conditions are met. These variations include changing the shape of the soil plate or possibly removing the soil plate altogether.

Head Post Anchorage Test 4.1 Head post anchorage testing shall be carried out on a sacrificial Front Lower Post. Upon

completion of the testing, the test unit must be removed.

4.2 Find a suitable location for the placement of the test posts that will match the conditions at the actual assembly site. Place the Front Lower Post according to pages 11 and 23, except when using the modified (or removed) soil plate (see Figure 33).

Note: When fastening the Front Upper Post to the Front Lower Post, only one nut is required for this test.

figure 33


4.3 A 13,500 N horizontal load shall be applied to the lower post as detailed in Figure 34 by means of a hydraulic ram with a calibrated load cell. The load is to be applied to the lower post in the area where the bolt fastens the upper and lower posts together (see Figures 34 and 35).

4.4 The load shall be applied by pushing on the post. The hydraulic ram must be supported against a rigid/non-moving part of the work vehicle or any other object that will not move with the loads subjected during the test. The area in front (i.e. load side) of the post can be excavated to allow space for the hydraulic ram. The area behind the post must be at the correct level.

4.5 A datum peg is to be driven into the ground in line with the post and the center line of the hydraulic ram with a height approximately equal to that of the test post (see Figure 34). A simple tripod can be constructed for this purpose.

4.6 The load of 13,500 N is to be applied and the deflection of the post in reference to the datum peg is to be measured (when the load is applied) and recorded within ±1 mm. The deflection of the post should be measured 600 mm above the ground level (see Figure 34).

4.7 If the measured deflection does not exceed 50 mm, the assembly with the modified (or removed) soil plate is considered acceptable (see Figure 34).

Warning: If the measured deflection exceeds 50 mm, the Front Lower Post placement is considered unacceptable. Please contact Trinity Highway International Customer Service to discuss further options (see p. 3). Failure to follow this warning could result in serious injury or death in the event of a collision.

figure 34 figure 35

115099 trend cen anchorage guidelines - trinity highway

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