Construction method for drainage and protection of high cutting slope side ditch

A construction method and technology for slopes, applied in excavation, waterway systems, water supply devices, etc., can solve the problems of V-shaped side ditch or U-shaped side ditch and the transition connection and erosion of slope protection

Pending Publication Date: 2022-08-09
CHINA MCC20 GRP CORP
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Problems solved by technology

[0003] In view of this, the present invention proposes a construction method for drainage and protection of high cutting slope side ditch, aiming to solve th...

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  • Construction method for drainage and protection of high cutting slope side ditch
  • Construction method for drainage and protection of high cutting slope side ditch
  • Construction method for drainage and protection of high cutting slope side ditch

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[0022] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0023] see figure 1 , which is a flow chart of a construction method for drainage and protection of high cutting sid...

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Abstract

The invention provides a construction method for drainage and protection of a high cutting slope side ditch, a cutting intercepting ditch adopts a V-shaped structure, a slope adopts a trapezoidal structure, and the construction method comprises the following steps: carrying out construction lofting; construction of an intercepting ditch is conducted; excavating the cutting soil layer by layer; the slope in a preset range from the bottom elevation of the drainage ditch to the top is subjected to mortar rubble masonry slope protection; installing a water drain pipe in the mortar rubble; the slope surface, close to the roadbed, of the side ditch is constructed through cast-in-place concrete or a prefabricated panel, and the bottom of the side ditch is made of cast-in-place concrete. The slope form mainly comprises main structures such as the prefabricated concrete panel, the slope protection slurry rubbles, the drainage holes and the geotechnical cloth isolation layer, and the cutting slope protection and water interception and drainage effects can be effectively improved through the side ditch and protection slope combination form; the problem that the scouring phenomenon exists in transition connection of an existing V-shaped side ditch or U-shaped side ditch and side slope protection is solved.

Description

technical field [0001] The invention relates to the technical field of highway engineering, in particular to a construction method for drainage and protection of high cutting side slopes and ditches. Background technique [0002] In expressway engineering projects, there are many types of drainage for side ditch of cutting slope, which can be set as a U-shaped ditch made of mortar or cast-in-place U-shaped ditch. For the slopes with poor stability and complex sections, various slope protection methods such as soil nail walls and gravity retaining walls can be used. However, there is a certain scouring phenomenon in the transition connection between the V-shaped gutter or the U-shaped gutter and the slope protection. SUMMARY OF THE INVENTION [0003] In view of this, the present invention proposes a construction method for drainage and protection of side ditch of high cutting side, aiming to solve the problem of scouring phenomenon in the transition connection between exis...

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Application Information

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IPC IPC(8): E02D17/20E03F3/02E03F3/04
CPCE02D17/20E03F3/02E03F3/04E03F3/046Y02A30/60
Inventor 丁明鹤李本权朱松苗闫闫
Owner CHINA MCC20 GRP CORP
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