CN208844596U

CN208844596U - A kind of novel deep basal pit retaining wall intercepts water system

Info

Publication number: CN208844596U
Application number: CN201821146598.5U
Authority: CN
Inventors: 任志平; 王潘; 彭伟; 张今虎; 施圣贤; 韩贝; 姚程; 吕桂元
Original assignee: China Construction Third Engineering Bureau Co Ltd
Current assignee: China Construction Third Engineering Bureau Co Ltd
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2019-05-10
Anticipated expiration: 2028-07-19

Abstract

It intercepts water system the utility model discloses a kind of novel deep basal pit retaining wall, the system is mainly by foundation pit retaining wall tapping pipe, 50 plastic flexible pipe of φ, φ 200PVC intercepting drain, the angle bar frame of L50 × 5, plastic bucket and PPR drainpipe construct, the utility model is scientific and reasonable for structure, it is safe and convenient to use, it effectively prevents from the underground water in drain hole from directly dissipating to drain into foundation pit, guarantee that foundation bearing capacity meets the drying of design requirement and construction site, improve construction efficiency, the basement of collection is without pollution, it can be directly used for the construction waters such as flushing in construction site, achieve the purpose that economize on resources, material is easily purchased, field fabrication is simple, constructing operation is convenient, it is at low cost, dewatering effect is obvious, pass through fixation kit, effectively PPR drainpipe can be fixed, when water flow is excessive , can effectively prevent PPR drainpipe and topple over phenomenon, the construction safety during water drainage of deep foundation pit is effectively guaranteed.

Description

A kind of novel deep basal pit retaining wall intercepts water system

Technical field

The utility model relates to deep foundation pit precipitation technical field of construction, specially a kind of novel deep basal pit retaining wall intercepts water body System.

Background technique

During architectural engineering pit precipitation, mainly with the following method:

Common deep foundation pit precipitation, main method is usually well-points dewatering, the method that intercepts water and curtain drainage etc., wherein most Important is well-points dewatering and application range are most wide, go deep into the precipitation pipe well of bottom of foundation ditch in the setting of foundation pit surrounding, in pipe Water pump is set in well, and underground water is by water pump by pump drainage to ground, thus lowering of watertable, level of ground water is formed around pipe well The shape of one inverted funnel, last level of ground water drop to the distance of foundation pit bottom 0.5m to 1m, guarantee engineering one it is dry and Construct in the state of anhydrous, in addition, deep basal pit generally using support pile add spray anchor in the form of carry out pattern foundation pit supporting structure, need to pipe well with Drain hole is set on the retaining wall between pipe well, pore water is dissipated by drain hole to be drained into foundation pit, then by way of bright draining into It goes and drains, this method, which is easily led to, forms inorganization draining in foundation pit, essential bearing stratum occur and be not achieved by soaked rear bearing capacity The case where design requirement, drain in work progress not smooth, on-site construction operations are difficult, and construction efficiency is lower.

In view of the above-mentioned problems, the utility model comprehensively considers deep foundation pit precipitations, more particularly to from pervious bed excavate into The deep basal pit for entering water barrier, after using tube well dewatering, retentate portion pore water between pipe well and pipe well, foundation pit retaining wall tapping pipe Water burst is serious, also, when in use, and since PPR drainpipe not being fixed, when water flow is larger, PPR drainpipe can PPR drainpipe can be caused to damage, increase the cost of construction there is a phenomenon where toppling over, so, people are badly in need of a kind of new moldeed depth Foundation pit retaining wall intercepts water system to solve the above problems.

Utility model content

The utility model provides a kind of novel deep basal pit retaining wall and intercepts water system, can effectively solve to mention in above-mentioned background technique Slave pervious bed out excavates the deep basal pit for entering water barrier, after using tube well dewatering, retentate portion hole between pipe well and pipe well Gap water, foundation pit retaining wall tapping pipe water burst is serious, also, when in use, since PPR drainpipe not being fixed, works as water flow When measuring larger, PPR drainpipe may cause PPR drainpipe to damage, increase asking for the cost of construction there is a phenomenon where toppling over Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of novel deep basal pit retaining wall intercepts water system, Including shale layer, it is filled with sand pebble layer above the shale layer, silty clay layer is filled with above the sand pebble layer, it is described Be filled with miscellaneous fill layer above silty clay layer, the shale layer side is provided with retaining wall, the shale layer and sand pebble layer it Between be fixedly connected by reinforcing rib with retaining wall between sand pebble layer and silty clay layer, one end peace above the miscellaneous fill layer Equipped with sedimentation basin, retaining wall bottom end side is equipped with plastic cistern, and the plastic cistern placed inside has water pump, the water pump One end is equipped with PPR drainpipe, and one middle side part of retaining wall, which is screwed, is equipped with the angle bar frame of L50 × 5；

Fixation kit is provided with above the angle bar frame of the L50 × 5, the fixation kit includes fastening hoop, fastening sea Continuous pad, shaft, fastening ear and fixture nut, the fastening hoop inside are fitted with fastening foam-rubber cushion, the fastening hoop bottom end Shaft is installed, the fastening hoop top is welded with fastening ear, is interspersed with fixture nut, the fixation in the middle part of the fastening ear It is rotatablely connected between component and the angle bar frame of L50 × 5 by shaft, is interspersed with φ 200PVC inside the fixation kit and intercepts water Pipe, the φ 200PVC intercepting drain top are equipped with 50 plastic flexible pipe of φ, and the 50 plastic flexible pipe top φ passes through snap ring and base Hole retaining wall tapping pipe is fixedly connected, and the input terminal of the water pump is electrically connected with the power supply.

Preferably, the shale layer, sand pebble layer, silty clay layer and miscellaneous fill layer fit with retaining wall.

Preferably, PPR drainpipe one end is fixed on above sedimentation basin.

Preferably, the diameter that the reinforcing rib is located at shale layer, sand pebble layer and silty clay layer inside one end, which is greater than, to be added Strengthening tendons are located at the diameter of one end inside retaining wall.

Preferably, described foundation pit retaining wall tapping pipe one end is located inside sand pebble layer.

Preferably, filtration gauze is coated on the outside of the pump intake.

Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, secure side is used Just:

1, it effectively prevents from the underground water in drain hole from directly dissipating to drain into foundation pit, guarantees that foundation bearing capacity satisfaction is set Meter requires and the drying of construction site, improves construction efficiency.

2, the basement collected can be directly used for the construction waters such as flushing in construction site, reach saving without pollution The purpose of resource.

3, material is easily purchased, and field fabrication is simple, and constructing operation is convenient, and dewatering effect is obvious, is not influencing deep basal pit row In the case where water, the cost of construction is reduced to the greatest extent.

4, by fixation kit, convenient for φ 200PVC intercepting drain is fixed and is installed, construction effect is effectively raised Rate can effectively be fixed PPR drainpipe, when water flow is excessive, can effectively prevent PPR drainpipe and incline The construction safety during water drainage of deep foundation pit is effectively guaranteed, after construction is completed, convenient for intercepting water to φ 200PVC in phenomenon Pipe is dismantled.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

In the accompanying drawings:

Fig. 1 is the sectional view of the utility model；

Fig. 2 is the front elevation of the utility model；

Fig. 3 is the structural schematic diagram of the utility model fixation kit；

Figure label: 1, foundation pit retaining wall tapping pipe；2,50 plastic flexible pipe of φ；3, φ 200PVC intercepting drain；4, L50 × 5 jiao Steel bracket；5, plastic bucket；6, PPR drainpipe；7, fixation kit；701, hoop is fastened；702, foam-rubber cushion is fastened；703, turn Axis；704, ear is fastened；705, fixture nut；8, sedimentation basin；9, water pump；10, shale layer；11, sand pebble layer；12, silty clay Layer；13, miscellaneous fill layer；14, retaining wall；15, reinforcing rib.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment: as shown in Figure 1-3, the utility model provides a kind of technical solution, the novel deep basal pit retaining wall intercepts water Device is by foundation pit retaining wall tapping pipe 1,50 plastic flexible pipe 2 of φ, φ 200PVC intercepting drain 3, the angle bar frame of L50 × 54, plastic bucket 5, water pump 9 and PPR drainpipe 6 construct, wherein the angle bar frame of L50 × 54 is fixed on support pile by expansion bolt, φ 200PVC intercepting drain 3 is fixed on tripod by fixation kit 7, and fixation kit 7 includes fastening hoop 701, fastening foam-rubber cushion 702, shaft 703, fastening ear 704 and fixture nut 705 fasten and are fitted with fastening foam-rubber cushion 702, dead ring on the inside of hoop 701 It binds round 701 bottom ends and shaft 703 is installed, fastening 701 top of hoop is welded with fastening ear 704, fastens and is interspersed with fixation in the middle part of ear 704 Nut 705 is rotatablely connected between fixation kit 7 and the angle bar frame of L50 × 54 by shaft 703, and φ 200PVC intercepting drain 3 is fixed After being installed, 50 plastic flexible pipe of φ, 2 one end is connect with drain hole, and the other end is connect with φ 200PVC intercepting drain 3, is formed it into Water inside sand pebble layer can be introduced φ by foundation pit retaining wall tapping pipe 1 and 50 plastic flexible pipe 2 of φ by complete flow path It in 200PVC intercepting drain 3, is then introduced inside plastic bucket 5 by φ 200PVC intercepting drain 3, then, connects the electricity of water pump 9 Source, the water inside plastic bucket 5 is pumped into inside sedimentation basin 8 by PPR drainpipe 6 and is precipitated by water pump 9, in work progress, The underground water of collection is drawn to the sedimentation basin on ground according to actual amount of water, thus as construction waters such as construction site flushings, Second using water source, water conservation.

Specific production are as follows: diameter is that 50 plastic flexible pipe of φ, 2 one end of 50mm is directly sleeved on drain hole, 50 plastic flexible pipe of φ After 2 reserve certain length, the other end is directly plugged into the φ 200PVC intercepting drain 3 that diameter is 200mm, φ 200PVC intercepting drain 3 top apertures, aperture distance according to construction site sluicing pitch of holes determine, opening diameter 48mm, φ 200PVC intercepting drain 3 with The angle bar frame of L50 × 54 is fixed using fixation kit 7, and 3 gradient of φ 200PVC intercepting drain is set as 1%, slope aspect plastic bucket 5, plastic bucket 5 is having a size of 2000 × 1000 × 1000mm, and plastic bucket 5 is interior to place water pump 9, and 9 model of water pump is according to foundation pit depth Degree is determined, its lift is made to meet on-site actual situations.

Finally, it should be noted that being not limited to this reality the foregoing is merely the preferred embodiment of the utility model With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all It is included within the scope of protection of this utility model.

Claims

System, including shale layer (10) 1. a kind of novel deep basal pit retaining wall intercepts water, it is characterised in that: above the shale layer (10) Filled with sand pebble layer (11), silty clay layer (12) are filled with above the sand pebble layer (11), the silty clay layer (12) top is filled with miscellaneous fill layer (13), and shale layer (10) side is provided with retaining wall (14), the shale layer (10) with Pass through reinforcing rib (15) and retaining wall (14) between sand pebble layer (11) and silty clay layer (12) between sand pebble layer (11) It is fixedly connected, one end is equipped with sedimentation basin (8) above the miscellaneous fill layer (13), and retaining wall (14) the bottom end side is equipped with modeling To expect water tank (5), plastic cistern (5) placed inside has water pump (9), and described water pump (9) one end is equipped with PPR drainpipe (6), (14) one middle side part of retaining wall, which is screwed, is equipped with the angle bar frame of L50 × 5 (4)；

It is provided with fixation kit (7) above the angle bar frame of the L50 × 5 (4), the fixation kit (7) includes fastening hoop (701), foam-rubber cushion (702), shaft (703), fastening ear (704) and fixture nut (705), the fastening hoop (701) are fastened Inside is fitted with fastening foam-rubber cushion (702), and fastening hoop (701) bottom end is equipped with shaft (703), the fastening hoop (701) top is welded with fastening ear (704), is interspersed with fixture nut (705) in the middle part of the fastening ear (704), described fixed group It is rotatablely connected between part (7) and the angle bar frame of L50 × 5 (4) by shaft (703), is interspersed with φ inside the fixation kit (7) 200PVC intercepting drain (3), φ 200PVC intercepting drain (3) top are equipped with 50 plastic flexible pipe of φ (2), and 50 plastics of φ are soft Pipe (2) top is fixedly connected by snap ring with foundation pit retaining wall tapping pipe (1), and the input terminal of the water pump (9) electrically connects with power supply It connects.
The system 2. a kind of novel deep basal pit retaining wall according to claim 1 intercepts water, it is characterised in that: the shale layer (10), sand pebble layer (11), silty clay layer (12) and miscellaneous fill layer (13) fit with retaining wall (14).
The system 3. a kind of novel deep basal pit retaining wall according to claim 1 intercepts water, it is characterised in that: the PPR drainpipe (6) one end is fixed on above sedimentation basin (8).
The system 4. a kind of novel deep basal pit retaining wall according to claim 1 intercepts water, it is characterised in that: the reinforcing rib (15) Diameter positioned at the internal one end of shale layer (10), sand pebble layer (11) and silty clay layer (12) is greater than reinforcing rib (15) and is located at shield The diameter of the internal one end of wall (14).
The system 5. a kind of novel deep basal pit retaining wall according to claim 1 intercepts water, it is characterised in that: the foundation pit retaining wall is let out It is internal that water pipe (1) one end is located at sand pebble layer (11).
The system 6. a kind of novel deep basal pit retaining wall according to claim 1 intercepts water, it is characterised in that: the water pump (9) into Filtration gauze is coated on the outside of the mouth of a river.