CN206034466U - Foundation ditch or basic groove precipitation system for construction - Google Patents

Foundation ditch or basic groove precipitation system for construction Download PDF

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Publication number
CN206034466U
CN206034466U CN201620872719.9U CN201620872719U CN206034466U CN 206034466 U CN206034466 U CN 206034466U CN 201620872719 U CN201620872719 U CN 201620872719U CN 206034466 U CN206034466 U CN 206034466U
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China
Prior art keywords
water
foundation
precipitation
pipe
foundation ditch
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CN201620872719.9U
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Chinese (zh)
Inventor
王伟
马洪威
刘庆宇
史阳
罗达妮
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Third Construction Co Ltd of China Construction Third Engineering Division
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Third Construction Co Ltd of China Construction Third Engineering Division
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Abstract

The utility model discloses a foundation ditch or basic groove precipitation system for construction, include: the precipitation test pit, water well pipe, drinking -water pipe, rubble, loosened soil and water pump fall, the excavation depth of precipitation test pit is foundation ditch or the basic downward 0.5m~1m in groove bosom, fall water well pipe's the lower bosom to the precipitation test pit of lower extreme, the upper end flushes with foundation ditch or basic groove bosom, the lower part of drinking -water pipe sets up in falling water well pipe, and the lower in the water well pipe is dropped to the end of lower part, the rubble is filled and is located foundation ditch or the part below the basic groove bosom at the precipitation test pit, the loosened soil is filled between foundation ditch or basic groove large tracts of land elevation and rubble, the water pump with take out water piping connection. The utility model discloses the precipitation system construction is simple, has got rid of large -scale mechanical and complicated construction process. Precipitation system's implementation has easy operation, safety, and required machines, material are simple, and maneuverability is stronger, economic nature advantage such as outstanding, and the precipitation effect is obvious, can satisfy normal excavation condition completely.

Description

A kind of foundation ditch for being applied to construction or foundation water precipitation system
Technical field
The utility model belongs to foundation ditch or foundation trench excavation technology field, more particularly to a kind of base for being applied to construction Hole or foundation water precipitation system.
Background technology
When excavation pit or foundation trench, if level of ground water is too high, water level is reduced not in time such as, execution conditions can not only disliked Change, cause Tu Bi to cave in, can also affect the bearing capacity of ground.Quicksand phenomenon can be produced even when serious.Therefore, in earthwork construction In, Dewatering work is carried out, it is highly important to keep the soil body to be dried, while also improving condition of work.In constructing at present The precipitation method for being used is mainly well-points dewatering.
Well-points dewatering, is a kind of method of artificial dewatering.Therefore also known as " well-point dewatering method ".In excavation of foundation pit Before, a number of filter pipe is buried in foundation ditch surrounding(Well), being drawn water using pumping equipment makes dug soil remain drying The method of state.The well point type for being adopted has:Light well point, ejector well point, electro-osmosis well point, pipe well points, deep well points etc..
It is when underground water level elevation is in substrate n ear, uneconomical using traditional well-point dewatering method, using bright ditch, blind Ditch water discharge does not take dewatering measure again it cannot be guaranteed that excavation quality and safety.However, to ensure that construction safety, conventional It is not able to select traditional well-points dewatering in engineering, causes the wasting of resources, claim for eot, big machinery operating procedure is complicated, economical Cost is big.
Utility model content
The purpose of this utility model is to provide a kind of foundation ditch for being applied to construction or foundation water precipitation system.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of foundation ditch or base for being applied to construction Groove precipitation system, which includes:Precipitation test pit, downcast well pipe, drinking-water pipe, rubble, loosened soil and water pump;The excavation of the precipitation test pit Depth is foundation ditch or the downward 0.5m~1m in foundation trench bosom;Bosom of the lower end of the downcast well pipe down to precipitation test pit, on End is flushed with foundation ditch or foundation trench bosom;The bottom of the drinking-water pipe is arranged in downcast well pipe, and precipitation is down in the termination of bottom Lowest point in well casing;The rubble is filled in part of the precipitation test pit below foundation ditch or foundation trench bosom;The loosened soil It is filled between foundation ditch or foundation trench large area absolute altitude and rubble;The water pump is connected with drinking-water pipe.
The utility model is applied to the foundation ditch of construction or foundation water precipitation system as above, further, described to take out Water pipe is inner bearing type flexible pipe, including tube wall and the spiral wire inner support being supported on the inside of tube wall.
The utility model is applied to the foundation ditch of construction or foundation water precipitation system as above, further, described to take out The caliber scope 30mm~50mm of water pipe.
The utility model is applied to the foundation ditch of construction or foundation water precipitation system, further, the water as above Pump is self priming pump.
The utility model is applied to the foundation ditch of construction or foundation water precipitation system as above, further, described broken Stone maximum particle diameter is less than or equal to 5cm.
The utility model is applied to the foundation ditch of construction or foundation water precipitation system, further, the system as above Also include the protection of pipe flitch that draws water, the protection of pipe flitch that draws water is arranged on the vehicle to run position of drinking-water pipe.
The beneficial effects of the utility model are:
The construction of the utility model precipitation system is simple, eliminates the construction technology of big machinery and complexity.Precipitation system Implement with simple to operate, safety, required equipment, material are simple, and operability is stronger, the advantages of economy is projected, and precipitation Effect substantially, can meet normal excavation condition completely.
Description of the drawings
By the detailed description made in conjunction with the following drawings, it is of the present utility model above-mentioned and/or other in terms of and advantage will Become more apparent upon and be easier to understand, these accompanying drawings are simply schematic, are not intended to limit the utility model, wherein:
Fig. 1 is foundation ditch or the foundation water precipitation system schematic for being applied to construction;
Fig. 2 is downcast well pipe schematic diagram.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, foundation ditch or foundation trench, 2, precipitation test pit, 3, downcast well pipe, 4, drinking-water pipe, 41, spiral wire inner support, 42, tube wall, 5th, water pump, 6, rubble, 7, loosened soil, 8, level of ground water absolute altitude, 9, excavate absolute altitude for the first time.
Specific embodiment
Hereinafter, the foundation ditch for being applied to construction of the present utility model or foundation water precipitation system are described with reference to the accompanying drawings Embodiment.
The embodiment that here is recorded is specific specific embodiment of the present utility model, of the present utility model for illustrating Design, is explanatory and exemplary, should not be construed as the limit to the utility model embodiment and the utility model scope System.Except the enforcement exception that here is recorded, those skilled in the art can also be based on the application claims and specification institute is public The content opened includes doing using the embodiment recorded to here using obvious other technical schemes, these technical schemes Go out the technical scheme of any obvious substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the present utility model, it is schematically indicated each several part Shape and its correlation.The structure for the ease of clearly showing each part of the utility model embodiment is note that, respectively Do not draw according to identical ratio between accompanying drawing.Identical reference marker is used for representing identical part.
Fig. 1 illustrates 1 precipitation system of a kind of foundation ditch for being applied to construction of embodiment of the utility model or foundation trench, its bag Include:Precipitation test pit 2, downcast well pipe 3, drinking-water pipe 4, rubble 6, loosened soil 7 and water pump 5;The cutting depth of the precipitation test pit is base Hole or the downward 0.5m~1m in 1 bosom of foundation trench;Bosom of the lower end of the downcast well pipe 2 down to precipitation test pit, upper end and base Hole or foundation trench bosom flush;The bottom of the drinking-water pipe 4 is arranged in downcast well pipe, and the termination of bottom is down in downcast well pipe Lowest point;The rubble 6 is filled in part of the precipitation test pit below foundation ditch or foundation trench bosom;The loosened soil 7 is filled Between foundation ditch or foundation trench large area absolute altitude and rubble;The water pump is connected with drinking-water pipe.
In a kind of preferred embodiment, as shown in Fig. 2 the drinking-water pipe 4 is inner bearing type flexible pipe, including tube wall 42 and Support the spiral wire inner support 41 on the inside of tube wall.The caliber scope 30mm~50mm of the drinking-water pipe 4.
In a kind of preferred embodiment, the water pump 5 is self priming pump.
In a kind of preferred embodiment, 6 maximum particle diameter of the rubble is less than or equal to 5cm.
In a kind of preferred embodiment, the system also includes the protection of pipe flitch that draws water, and the protection of pipe flitch that draws water sets Put at the vehicle to run position of drinking-water pipe.
Foundation ditch is carried out using above-mentioned precipitation system or foundation water precipitation method is comprised the following steps:
Step 1, foundation ditch or foundation trench large area absolute altitude above precipitation;Foundation ditch or foundation trench scope are excavated to into level of ground water first Absolute altitude above 0.5m~1m positions(9 position of absolute altitude is excavated for the first time, concrete value can be according to on-site actual situations, if without spy Different restriction takes 0.5m, and this stage excavates and fully belongs to normal excavation.);Then in foundation ditch or foundation trench bosom excavation and precipitation test pit 2, cutting depth is foundation ditch or the downward 0.5m~1m in foundation trench bosom;By downcast well pipe 3 down to drop after the completion of the excavation of precipitation test pit 2 Precipitation test pit 2, by drinking-water pipe 4 down to the lowest point in downcast well pipe 3, is subsequently located at foundation ditch or base by the bosom of water test pit 2 Rubble 6 is filled out below groove bosom, and in a preferred embodiment, the maximum particle of crushed stone is less than or equal to 5cm.Foundation ditch or foundation trench are big Loosened soil 7 is backfilled between area absolute altitude and rubble 6;
The principle that purpose is the stage excavation and step excavation for realizing the earthwork is excavated for the first time, while reduce precipitation visiting The discrepancy in elevation in hole, as shown in Figure 1.
Drinking-water pipe 4 is connected and is carried out draining by step 2 with water pump 5, and foundation ditch or foundation trench water level are reduced to foundation ditch or foundation trench most Second stage foundation ditch is carried out below low absolute altitude during 0.5m or foundation trench is excavated, by earth excavation to foundation ditch or the minimum absolute altitude of foundation trench;The Two-stage foundation ditch or foundation trench carry out uninterrupted draining when excavating;
This stage is this patent core technology application stage, and due to not taking large-scale traditional precipitation method, water level is not significantly Degree decline, core control problem are drawn water for continual, and work of drawing water is caused once stopping to raise in the water level meeting short time Foundation ditch or foundation trench quality problems.
After the completion of step 3, foundation ditch or foundation trench are excavated, choose precipitation test pit and draw water to foundation ditch or the outer shortest path arrangement of foundation trench Pipe 4, during casting concrete bed course is embedded in drinking-water pipe 4 in bed course;
Step 4, treats that building foundation floor concrete terminates drawing water after the completion of pouring, foundation ditch or foundation trench extracardiac pumping pipe is cut It is disconnected, cement will be filled in downcast well pipe and between rubble using water under high pressure mud.
In above-described embodiment, foundation ditch or foundation trench large area absolute altitude refer to the bottom for having several different depths when foundation ditch or foundation trench During face, the absolute altitude that the larger bottom surface of area is located.For example, foundation ditch or foundation trench have a bottom surface of two different depths, and positioned at compared with The area of high position bottom surface is foundation ditch or base more than the area positioned at relatively low bottom surface, the then absolute altitude positioned at higher position bottom surface Groove large area absolute altitude.
When the water pump selected is self priming pump, it is equipped with special messenger and keeps an eye on self priming pump, when the water yield in precipitation test pit is gradually decreased When according to actual amount of water control self priming pump working condition.
Level of ground water absolute altitude 8 surveys report water level mark with referring to;Or, water level observation is excavated in foundation ditch or foundation trench visit Hole, to judge actual level of ground water absolute altitude 8.
In second stage foundation ditch or foundation trench digging process, when needing by heavy vehicle above the drinking-water pipe, flitch is taken Drinking-water pipe is protected Deng Simple protecting measure, it is ensured that water pipe is unobstructed.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and further feature combination, and those skilled in the art are also Can according to the purpose of utility model carry out between each technical characteristic other combination, to realize that the purpose of the utility model is defined.

Claims (6)

1. a kind of foundation ditch for being applied to construction or foundation water precipitation system, it is characterised in that include:Precipitation test pit, dewatering well Pipe, drinking-water pipe, rubble, loosened soil and water pump;The cutting depth of the precipitation test pit be foundation ditch or the downward 0.5m in foundation trench bosom~ 1m;Bosom of the lower end of the downcast well pipe down to precipitation test pit, upper end are flushed with foundation ditch or foundation trench bosom;It is described to draw water The bottom of pipe is arranged in downcast well pipe, the lowest point that the termination of bottom is down in downcast well pipe;The rubble is filled in precipitation Part of the test pit below foundation ditch or foundation trench bosom;The loosened soil be filled in foundation ditch or foundation trench large area absolute altitude and rubble it Between;The water pump is connected with drinking-water pipe.
2. the foundation ditch for being applied to construction according to claim 1 or foundation water precipitation system, it is characterised in that described to take out Water pipe is inner bearing type flexible pipe, including tube wall and the spiral wire inner support being supported on the inside of tube wall.
3. the foundation ditch for being applied to construction according to claim 2 or foundation water precipitation system, it is characterised in that described to take out The caliber scope 30mm~50mm of water pipe.
4. the foundation ditch for being applied to construction according to claim 3 or foundation water precipitation system, it is characterised in that the water Pump is self priming pump.
5. the foundation ditch for being applied to construction according to any one of claim 1-4 or foundation water precipitation system, its feature exist In the maximum particle of crushed stone is less than or equal to 5cm.
6. the foundation ditch for being applied to construction according to claim 5 or foundation water precipitation system, it is characterised in that also include Draw water protection of pipe flitch, and the protection of pipe flitch that draws water is arranged on the vehicle to run position of drinking-water pipe.
CN201620872719.9U 2016-08-12 2016-08-12 Foundation ditch or basic groove precipitation system for construction Active CN206034466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620872719.9U CN206034466U (en) 2016-08-12 2016-08-12 Foundation ditch or basic groove precipitation system for construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620872719.9U CN206034466U (en) 2016-08-12 2016-08-12 Foundation ditch or basic groove precipitation system for construction

Publications (1)

Publication Number Publication Date
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CN201620872719.9U Active CN206034466U (en) 2016-08-12 2016-08-12 Foundation ditch or basic groove precipitation system for construction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110552362A (en) * 2019-09-16 2019-12-10 中铁十二局集团有限公司 Foundation pit dewatering construction method of mixed well and light well in confined water stratum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110552362A (en) * 2019-09-16 2019-12-10 中铁十二局集团有限公司 Foundation pit dewatering construction method of mixed well and light well in confined water stratum

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