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First water discharge and then sealing and blocking plate carrying type road embankment and construction method

A technology of blocking boards and plastic drainage boards, applied in roads, roads, infrastructure engineering, etc., can solve the problems of difficult control of engineering quality, non-recyclable utilization, and high engineering cost, so as to reduce embankment settlement and improve embankment bearing capacity , The effect of accelerating drainage consolidation

Active Publication Date: 2014-12-24
ANHUI HIGHWAY ENG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The vertical grouting pipes and horizontal grouting pipes in this structure cannot be recycled, and the project cost is high; this method has a long construction period and requires sufficient preloading and drainage consolidation time, and the project quality is not easy to control

Method used

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  • First water discharge and then sealing and blocking plate carrying type road embankment and construction method
  • First water discharge and then sealing and blocking plate carrying type road embankment and construction method
  • First water discharge and then sealing and blocking plate carrying type road embankment and construction method

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. While the invention will be described in conjunction with the preferred embodiments, it will be understood that it is not intended to limit the invention to the described embodiments. On the contrary, the invention is to cover alternatives, modifications and equivalents, which may be included within the scope of the invention as defined by the appended claims.

[0036] figure 1 It is a schematic diagram of the structure of a slab-supported embankment that drains water first and then seals it; Figure 2 to Figure 6 It is a schematic diagram of the construction flow of the present invention to drain first and then block the slab-supported embankment.

[0037] refer to figure 1 The slab-supported embankment shown is drained first and then blocked, mainly composed of plastic drainage board 2, drainage cushion 3, anti-slurry leakage isolation layer 4, shall...

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Abstract

The invention relates to a first water discharge and then sealing and blocking plate carrying type road embankment, which is in a trapezoidal shape from bottom to top and sequentially comprises a plastic water discharge plate, a water discharge pad layer, slurry seepage prevention isolation layers, a shallow layer curing cement soil plate, a road embankment filling material and a pavement, wherein the top of the plastic water discharge plate is arranged in the water discharge pad layer, temporary side trenches are arranged at the two sides of the shallow layer curing cement soil plate, the slurry seepage prevention isolation layers are paved in the temporary side trenches, in addition, the temporary side trenches are filled with cement soil sealing and blocking bodies, and the bottom elevation of the cement soil sealing and blocking bodies is lower than the bottom elevation of the water discharge pad layer after the pre-pressure period completion. The first water discharge and then sealing and blocking plate carrying type road embankment has the advantages that the manufacturing price is low, the construction speed is high, the soil body water discharge solidification is accelerated, the sedimentation after the construction is small, and the like. The invention also discloses a construction method of the first water discharge and then sealing and blocking plate carrying type road embankment.

Description

technical field [0001] The invention relates to a slab-supported embankment that is drained first and then blocked, belongs to the field of foundation engineering, and is suitable for foundation treatment projects of road engineering new construction or reconstruction and expansion projects with large thickness of soft soil layer and high requirements for foundation settlement control. Background technique [0002] Soft soil is widely distributed in my country, and there are areas with deep soft soil covering in the coastal areas, middle and lower reaches of rivers and near lakes. Soft soil has the characteristics of high water content, low shear strength and poor bearing capacity. If it is not handled or handled properly, it will cause foundation instability, which will not only cause engineering problems such as road surface structure damage, bridge head jumping, etc., but also affect driving comfort, resulting in a large deceleration of passing vehicles, and even driving ...

Claims

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Application Information

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IPC IPC(8): E02D3/10E02D3/12E01C3/04
Inventor 时修彬胡先宽胡五一徐友治程海波张辉梁显振万莉汪飞
Owner ANHUI HIGHWAY ENG CORP
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