UHPFRC (ultra high performance fiber reinforcement concrete) assembling type road protecting wall and construction method

A protective wall and assembly technology, applied in the direction of roads, roads, road safety devices, etc., can solve the problem of affecting the impact resistance of the protective fence, affecting the practicability, safety, reliability and durability of the protective wall, and the impact of the protective wall. and other problems, to achieve the effect of superior absorption of impact energy, solving the problem of road greening, and strengthening the integrity

Inactive Publication Date: 2020-01-07
岳阳路桥集团有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The steel guardrail is a continuous structure that is spliced ​​with corrugated steel guardrails and supported by the main column. The steel is easy to rust and affects the impact resistance of the guardrail. After the impact, the vehicle is easily penetrated by the guardrail from the front to the rear. It has become a "weapon" that hurts drivers and passengers, and has become a "deadly" guardrail; ordinary reinforced concrete protective walls are made of reinforced concrete. Reliability and durability, under the impact of vehicles, the reinforced concrete protective wall may be broken along the cracks and cause serious consequences

Method used

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  • UHPFRC (ultra high performance fiber reinforcement concrete) assembling type road protecting wall and construction method
  • UHPFRC (ultra high performance fiber reinforcement concrete) assembling type road protecting wall and construction method
  • UHPFRC (ultra high performance fiber reinforcement concrete) assembling type road protecting wall and construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0042] refer to Figure 1 to Figure 8 , for the UHPFRC prefabricated road protective wall set in the center of the road, including UHPFRC protective wall 1, strip foundation 2, bolts 3, planting soil 4 and green plants 5; where UHPFRC protective wall 1 includes UHPFRC wall side 11, T-shaped connection Part 14, C-shaped connector 15, greening groove 13, embedded hole 12, drainage channel 18, anchor hole 16, L-shaped reflective strip 17; Large; T-shaped connectors 14 and C-shaped connectors 15 are arranged at both ends of the UHPFRC protective wall 1, and the T-shaped connector 14 at the end of the UHPFRC protective wall 1 is implanted into the C-shaped connector 15 to realize the UHPFRC protective wall 1 is embedded and connected; the greening groove 13 is arranged on the top of the UHPFRC protective wall 1; the UHPFRC protective wall 1 is provided with three embedded holes 12, and the top of the last embedded hole 12 is connected with the greening groove 13, which can be autom...

Embodiment 2

[0061] refer to Figure 1 to Figure 8 , for the UHPFRC prefabricated road protective wall set on the side of the road, including UHPFRC protective wall 1, strip foundation 2, bolt 3, planting soil 4 and green plants 5; where UHPFRC protective wall 1 includes UHPFRC wall side 11, T-shaped Connecting piece 14, C-shaped connecting piece 15, greening groove 13, embedded hole 12, drainage channel 18, anchor hole 16, L-shaped reflective strip 17; The lower part is large; the T-shaped connector 14 and the C-shaped connector 15 are arranged at both ends of the UHPFRC protective wall 1, and the T-shaped connector 14 at the end of the UHPFRC protective wall 1 is implanted into the C-shaped connector 15 to realize UHPFRC protection The embedded connection of the wall 1; the green groove 13 is arranged on the top of the UHPFRC protective wall 1; the UHPFRC protective wall 1 is provided with three embedded holes 12, and the top of the uppermost embedded hole 12 is connected with the green ...

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Abstract

The invention discloses a UHPFRC (ultra high performance fiber reinforcement concrete) assembling type road protecting wall and a construction method. The road protecting wall comprises a UHPFRC protecting wall, a bar-shaped foundation, bolts, planting soil and green plants, wherein a T-shaped connecting element on the end head of the UHPFRC protecting wall is implanted into a C-shaped connectingelement to realize the embedding and fixing connection of the UHPFRC protecting wall; anchoring holes are arranged on two sides of the wall body of the UHPFRC protecting wall; the bolts are fixed on the bar-shaped foundation; the anchoring holes arranged on the wall body of the UHPFRC protecting wall are matched with the bolts on the bar-shaped foundation; the bolts pass through the arching holesto fix the UHPFRC protecting wall and the bar-shaped foundation; and an L-shaped reflective stripe is arranged on the side surface of the wall body of the UHPFRC protecting wall. The protecting wall has high structural intensity and light self weight, has excellent impact resistance, and has a function of absorbing impact energy. The UHPFRC assembling type road protecting wall has the advantages of industrialized production, short construction period, long service life and low maintenance cost, can easily guarantee construction quality, and can lower the construction cost of the protecting wall in a full life circle. A greening groove is arranged, holes are embedded into the greening groove for water accumulation, a road can be effectively greened, and the quality of the road is improved.

Description

【Technical field】 [0001] The invention relates to the field of road protective walls, in particular to a UHPFRC assembled road protective wall and a construction method. 【Background technique】 [0002] In recent years, the development scale of my country's road construction has been increasing day by day. Rural roads often need to set up protective walls on both sides of the road and expressways on both sides of the road and the middle divider as safety facilities to prevent vehicles from accidentally hitting the road or going to the road. On the opposite lane, the safe and durable prefabricated road protection wall can better promote the standardization of highway "life protection engineering", effectively guarantee traffic safety, and build a life "safety protection wall" for vehicle traffic. [0003] In the current road protective wall structure in our country, the steel guardrail and ordinary reinforced concrete protective wall are the most used. The steel guardrail is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01F15/08A01G9/02C04B28/02C04B111/34
CPCA01G9/02C04B28/02C04B2111/00017C04B2111/343E01F15/083E01F15/088C04B14/48C04B14/02C04B14/06C04B18/146C04B18/141C04B2103/302
Inventor 尹鸿达罗正东黄河李检保胡勇潘炜刘辉陈浩王观次佘岳军郭凌志罗安邦杨林
Owner 岳阳路桥集团有限公司
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