Foundation pit support drainage system
Through the casting of formwork support and cushion concrete at one time, the design of intercept ditch, drainage pipe and water collection wells has solved the problem of numerous construction processes of drainage ditch and water collection wells at the bottom of the traditional foundation pit project, and achieved efficient drainage of the bottom of the foundation pit and improvement of construction progress.
Patent Information
- Application Number
- CN202421462969.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-06-25
AI Technical Summary
In traditional foundation pit projects, there are many construction processes for the bottom drainage ditches and water collection wells, which leads to slow construction progress and prone to water penetration after forming, which cannot effectively solve the problem of cutting off external water in the bottom drainage system.
Through the formwork support and cushion concrete pouring at one time, a gutter ditches, drainage pipes and water collection wells are designed. Drainage ditches are set on both sides of the water collection wells, and drainage ditches are arranged along the bottom of the slope, combining reinforcement formwork and wooden square fixation to achieve a one-time molding drainage system.
The construction process of the foundation pit project drainage system has been reduced, the construction time of the bottom drainage ditches and water collection wells has been saved, effective drainage of the bottom slope of the foundation pit has been achieved, and construction efficiency and safety have been improved.
Smart Images
Figure CN222862323U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundation pit drainage, in particular to a foundation pit support drainage system. Background Art
[0002] In order to ensure the safety and normal use of the buildings, structures and underground pipelines adjacent to the foundation pit during the excavation of the foundation pit and the construction of the basement, appropriate support measures are taken for the slope to ensure that the soil does not collapse into the pit, maintain the stability of the slope, and limit the deformation of the soil around the foundation pit, so that it will not cause damage to the adjacent buildings, structures and underground pipelines, as well as the foundations already laid under the buildings, so as to create good external conditions for the construction of underground structures. Rainwater and construction water collected at the bottom of the foundation pit need to be pumped out in time to avoid the collapse and slippage of the foundation pit due to long-term immersion at the bottom of the pit, which plays a key role in the success of the entire foundation pit project.
[0003] The traditional method of constructing the drainage system at the bottom of the slope of the foundation pit project is to build brick drainage ditches and water collection wells. The construction requires a lot of manpower and material resources, and after the brick membrane is built, two walls of brick membrane and drainage ditch are formed. The overall construction process is relatively large, which seriously affects the construction progress of the basement structure during the foundation pit construction stage. In addition, the traditional construction method of brick drainage ditches and water collection wells can easily cause the accumulated water in the drainage ditches and water collection wells to penetrate into the soil at the bottom of the slope through the brick joints. If the accumulated water at the bottom of the slope is not pumped out in time, the drainage system at the bottom of the slope will be useless, and the problem of cutting off external water in the drainage system at the bottom of the slope of the foundation pit project cannot be solved. Summary of the invention
[0004] In view of the above-mentioned prior art, the utility model proposes a foundation pit support drainage system, which effectively solves a series of problems caused by the difficulty in forming drainage ditches and water collection wells at the bottom of the slope of the foundation pit project and their inability to function after forming, through the one-time pouring of formwork support and cushion concrete.
[0005] The utility model provides a foundation pit support drainage system, comprising:
[0006] The intercepting ditch is set at the top of the slope;
[0007] Several drainage pipes are installed on the slope;
[0008] A water collection well, with drainage ditches arranged on both sides of the water collection well, and the drainage ditches are arranged along the bottom of the slope.
[0009] Preferably, the construction system of the water collection well includes a water collection well concrete cushion layer, a water collection well reinforcement formwork is arranged on the inner side of the water collection well concrete cushion layer, water collection well reinforcement wood is arranged on the inner side of the water collection well reinforcement formwork, and water collection well support formwork external fixing wood is arranged on the upper side of the water collection well reinforcement formwork and the water collection well reinforcement wood.
[0010] Preferably, the construction system of the drainage ditch includes a drainage ditch concrete cushion layer, a drainage ditch reinforcement formwork is arranged on the inner side of the drainage ditch concrete cushion layer, a drainage ditch reinforcement wood is arranged on the inner side of the drainage ditch reinforcement formwork, and a drainage ditch support formwork external fixing wood is arranged on the upper side of the drainage ditch reinforcement formwork and the drainage ditch reinforcement wood.
[0011] Preferably, the slope of the drainage ditch toward the water collection well is 0.5%.
[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a foundation pit support drainage system, which can reduce the construction process of the foundation pit drainage system, save the construction time of the slope bottom drainage ditch and the water collection well, truly achieve the drainage effect of the foundation pit slope bottom, and provide convenience for on-site construction. Through the use of this drainage system, the effects of high-tech optimization, green environmental protection, innovation and efficiency can be achieved. It is a one-time construction method for the foundation pit drainage system that fits the actual construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic cross-sectional diagram of a foundation pit support according to an embodiment of the utility model.
[0014] Figure 2 It is a schematic diagram of drainage at the bottom of the foundation pit support slope according to an embodiment of the utility model.
[0015] Figure 3 It is a schematic diagram of the construction system of the water collection well according to an embodiment of the utility model.
[0016] Figure 4 It is a schematic diagram of the construction system of the drainage ditch according to an embodiment of the utility model.
[0017] In the figure: 1. intercepting ditch; 2. drainage pipe; 3. water collection well; 31. concrete cushion layer of water collection well; 32. reinforcement formwork of water collection well; 33. reinforcement wood of water collection well; 34. external fixing wood of water collection well formwork; 4. drainage ditch; 41. concrete cushion layer of drainage ditch; 42. reinforcement formwork of drainage ditch; 43. reinforcement wood of drainage ditch; 44. external fixing wood of drainage ditch formwork. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.
[0019] Example: Figure 1-4 The foundation pit support drainage system shown includes: an intercepting ditch 1, which is arranged on the top of the slope; a plurality of drainage pipes 2, which are arranged on the slope surface; a water collection well 3, and drainage ditches 4 are arranged on both sides of the water collection well 3. The drainage ditches 4 are arranged along the bottom of the slope, and the slope of the drainage ditch 4 to the water collection well 3 is 0.5%.
[0020] Furthermore, the construction system of the water collection well 3 includes a water collection well concrete cushion layer 31, which adopts C15 concrete. The inner side of the water collection well concrete cushion layer 31 is provided with a water collection well reinforcement formwork 32, the inner side of the water collection well reinforcement formwork 32 is provided with a water collection well reinforcement wood 33, and the upper side of the water collection well reinforcement formwork 32 and the water collection well reinforcement wood 33 is provided with a water collection well support formwork external fixing wood 34.
[0021] Furthermore, the construction system of the drainage ditch 4 includes a drainage ditch concrete cushion layer 41, a drainage ditch reinforcement template 42 is arranged on the inner side of the drainage ditch concrete cushion layer 41, a drainage ditch reinforcement wood 43 is arranged on the inner side of the drainage ditch reinforcement template 42, and a drainage ditch support formwork external fixed wood 44 is arranged on the upper side of the drainage ditch reinforcement template 42 and the drainage ditch reinforcement wood 43.
[0022] In this embodiment, the wood is fixed with nails.
[0023] In the construction process of this embodiment, the drainage ditch 4 and the water collection well 3 are excavated by laying out the lines according to the drawings, and the reinforcement template is set up at the drainage ditch 4 and the water collection well 3 at the bottom of the foundation pit slope, and the reinforcement template is effectively fixed by wooden squares. The slope of the drainage ditch 4 can be controlled by adjusting the elevation of the reinforcement template, and finally the drainage ditch 4 is cast and formed with the concrete cushion layer at one time. After the concrete strength meets the requirements, the template can be removed, which solves the problem that there are many construction processes for drainage ditches and water collection wells in foundation pit projects, and the finished products cannot play a substantial role, greatly reducing the difficulty of construction of drainage ditches and water collection wells at the bottom of the foundation pit, and the construction method is formed once, and the concrete plays a role in isolating water, which also solves the hidden danger of soaking the bottom of the pit caused by water seepage in traditional brick drainage ditches. In addition, the molding effect of this construction method is good, the labor used in the construction process is greatly reduced, and the construction cost is low. It is suitable for the construction of drainage ditches and water collection wells at the bottom of the slope of foundation pit support projects, and it is worth promoting widely.
[0024] The above are only implementation methods of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure made using the contents of the specification and drawings of the present utility model, directly or indirectly used in other related technical fields, are also within the patent protection scope of the present utility model.
Claims
1. A foundation pit support drainage system, characterized in that: include: The intercepting ditch is set at the top of the slope; Several drainage pipes are installed on the slope; A water collection well, with drainage ditches arranged on both sides of the water collection well, and the drainage ditches are arranged along the bottom of the slope; the construction system of the drainage ditch includes a drainage ditch concrete cushion layer, a drainage ditch reinforcement template is arranged on the inner side of the drainage ditch concrete cushion layer, a drainage ditch reinforcement wood is arranged on the inner side of the drainage ditch reinforcement template, and a drainage ditch support formwork external fixing wood is arranged on the upper side of the drainage ditch reinforcement template and the drainage ditch reinforcement wood.
2. The foundation pit support and drainage system according to claim 1, characterized in that: The construction system of the water collection well includes a water collection well concrete cushion layer, a water collection well reinforcement template is arranged on the inner side of the water collection well concrete cushion layer, a water collection well reinforcement wood is arranged on the inner side of the water collection well reinforcement template, and a water collection well support formwork external fixing wood is arranged on the upper side of the water collection well reinforcement template and the water collection well reinforcement wood.
3. The foundation pit support and drainage system according to claim 1 or 2, characterized in that: The slope of the drainage ditch toward the water collection well is 0.5%.