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Construction method of pile-supported anchor rod foam concrete embankment structure

A foam concrete and pile-supported technology, applied in infrastructure engineering, underwater structures, roads, etc., can solve problems that affect normal driving, increase the workload of line maintenance and repair, and roadbed diseases, and achieve convenient production and installation. Convenience in construction and improvement of ground bearing capacity

Active Publication Date: 2021-08-27
ZHEJIANG UNIV CITY COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Excessive settlement of the roadbed will cause roadbed disease, increase the workload of line maintenance and repair, and affect normal driving

Method used

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  • Construction method of pile-supported anchor rod foam concrete embankment structure
  • Construction method of pile-supported anchor rod foam concrete embankment structure
  • Construction method of pile-supported anchor rod foam concrete embankment structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The pile-supported anchor foam concrete embankment structure includes an anchor rod 1, a pit 2, double ear reinforcement 3, a water-resistant layer 5, a Z-shaped prefabricated baffle 6, foam concrete 7, a plain concrete covering layer 8, Step-shaped cast-in-place cap 9 and steel pipe pile 10, the steel pipe pile 10 is arranged under the step-shaped cast-in-place cap 9, and the Z-shaped prefabricated baffle 6 is arranged on the step-shaped cast-in-place cap 9, so The pit 2 is set in the steep slope 18, the double ear rib 3 is set in the pit 2, one end of the anchor rod 1 is connected to the Z-shaped prefabricated baffle plate 6, and the other end is vertically set in the steep slope 18 , the foam concrete 7 is arranged between the Z-shaped prefabricated baffle 6 and the steep slope 18, the plain concrete covering layer 8 is arranged above the bottom edge of the Z-shaped prefabricated baffle 6, and the water-resistant layer 5 is arranged on the top The Z-shaped prefabrica...

Embodiment 2

[0037] In the construction method of the pile-supported anchor foam concrete embankment structure, steel pipe piles are laid first, and a step-shaped cast-in-place cap is constructed on the top of the steel pipe piles, then a pit is dug on a steep slope, and double lug joints are buried. Then install the prepared Z-shaped prefabricated baffles and anchors layer by layer, and at the same time backfill foam concrete layer by layer until the design height of the embankment is reached, and finally apply the water-resistant layer and road surface layer to complete the pile-supported anchor foam concrete Construction of embankment structures. Specifically include the following steps:

[0038] 1) if figure 2 , image 3 As shown, according to the needs of engineering construction, the measurement and setting out are carried out. First, two rows of steel pipe piles 10 are set to the design depth, and the top elevation of the steel pipe piles 10 conforms to the shape of the step-shap...

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Abstract

The invention relates to a construction method of a pile-supported anchor rod foam concrete embankment structure. The construction method comprises the steps of firstly, driving a steel pipe pile, constructing a step-shaped cast-in-place bearing platform at the top of the steel pipe pile, then digging a pit on a steep slope, embedding a double-lug connecting rib, installing a manufactured Z-shaped prefabricated baffle and an anchor rod layer by layer, meanwhile, backfilling foam concrete layer by layer until reaching the design height of the embankment, and finally, a water-resisting layer and a pavement layer are constructed, and construction of the pile-supported anchor rod foam concrete embankment structure is completed. The construction method has the beneficial effects that the pile-supported anchor rod foam concrete embankment structure is adopted, the ground bearing capacity is effectively improved through the steel pipe pile and the bearing platform structure, the integrity of the embankment and a slope body is enhanced through the anchor rod, and meanwhile foam concrete is small in dead load, high in waterproof performance, convenient to produce and construct and obvious in technical and economic benefit advantage; the pit and the double-lug connecting rib are arranged, the structure is reasonable, construction is convenient, and the integrity of the slope body and the foam concrete is effectively enhanced.

Description

technical field [0001] The invention relates to the technical field of road engineering construction, in particular to a construction method of a pile-supported anchor foam concrete embankment structure. Background technique [0002] With the economic and social development since the reform and opening up, my country's road traffic has ushered in a golden period of development. The construction of highways, national highways, and provincial highway networks has basically formed a road traffic network all over the country in my country. Today, exchanges between regions are more frequent, and people's travel is more convenient. The main components of the road are the road surface and the roadbed. The roadbed is the foundation of the road surface, which is excavated or filled and compacted on the original ground. According to the cross-sectional form of the roadbed, it can be divided into filled roadbed, excavated roadbed and half-filled and half-dug roadbed. The structural ...

Claims

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Application Information

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IPC IPC(8): E01C3/00E01C3/04E01C3/06E02D29/02E02D5/76E02D17/18E02D27/14
CPCE01C3/00E01C3/04E01C3/06E02D29/02E02D29/0233E02D29/0266E02D5/76E02D17/18E02D27/14E02D2300/002E02D2600/20E02D2600/30Y02A30/60
Inventor 王新泉刁红国崔允亮魏纲于威齐昌广
Owner ZHEJIANG UNIV CITY COLLEGE
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