CN205662938U - Drainage excavation structure falls in foundation ditch - Google Patents

Drainage excavation structure falls in foundation ditch Download PDF

Info

Publication number
CN205662938U
CN205662938U CN201620053845.1U CN201620053845U CN205662938U CN 205662938 U CN205662938 U CN 205662938U CN 201620053845 U CN201620053845 U CN 201620053845U CN 205662938 U CN205662938 U CN 205662938U
Authority
CN
China
Prior art keywords
foundation ditch
excavation
open drain
water
slope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620053845.1U
Other languages
Chinese (zh)
Inventor
孙昭晖
赵云鹏
张永政
赵志鹏
王刚
徐汉东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University of Science and Technology
Original Assignee
Shandong University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University of Science and Technology filed Critical Shandong University of Science and Technology
Priority to CN201620053845.1U priority Critical patent/CN205662938U/en
Application granted granted Critical
Publication of CN205662938U publication Critical patent/CN205662938U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a drainage excavation structure falls in foundation ditch, it relates to foundation ditch engineering field. The structure includes stagnant water curtain, manger plate platform, open drain, escape canal and sump pit. The manger plate platform set up can prevent outside the foundation ditch top of slope the outer precipitation in hole get into cheat in, the stagnant water curtain form by cement mixing method overlap joint of each other, the open drain set up in the substrate surface, divide regional excavation and divide the regional setting along with the foundation ditch, open drain vertically and horizontally staggered arrange, escape canal along foundation ditch base of slope setting all around to the segmentation sets up the sump pit. The utility model discloses the scope of operation is isolated in groundwater and the hole outside will cheating in the work progress opens, need not carry out well point dewatering during the construction, guarantee cubic metre of earth construction simultaneously and fallen the drainage to go on simultaneously, improved the efficiency of construction greatly, guaranteed construction quality.

Description

A kind of foundation ditch Yield rainfall relation excavation structure
Technical field
This utility model relates to base pit engineering field, a kind of foundation ditch Yield rainfall relation excavation structure.
Background technology
Along with developing rapidly of building trade, the appearance of skyscraper, most of foundation is arranged on subsoil water Below Wei, if solving bad problem of groundwater, can make to descend swelling to enter in foundation ditch in large quantities and construction causes very burden, having can Foundation ditch cracking can be caused to cave in and the generation of the situation such as piping.In order to ensure being smoothed out normal conditions and using well point of engineering Water level is dropped to design below substrate absolute altitude and constructs by the way of precipitation.But this method has the disadvantage in that
If 1 stratum permeability is good, groundwater level depth relatively deep in the case of, and well-digging is drawn water smoothly, the water yield is more uniform Then convenient construction;If stratum permeability is poor, groundwater level depth is shallower, Yield rainfall relation work will be difficult to carry out;
2, Yield rainfall relation is inefficient, and the skyscraper general duration is longer, at least 1 year several years at most, and this can cause fall row Durations is made in water conservancy project to be increased, and produces the unnecessary wasting of resources;
3, long-term groundwater abstraction can take away silt around, and structure foundation space can be made to increase, and foundation bearing capacity reduces, Cause Adjacent Buildings sedimentation, earth's surface strain cracking, cause serious consequence;
4, long-term groundwater abstraction causes water level skewness, makes the outer subsoil water of building all be evacuated, causes resource Waste.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of foundation ditch Yield rainfall relation excavation structure, Substantially increase work efficiency, it is ensured that construction quality.
This utility model provides a kind of foundation ditch Yield rainfall relation excavation structure, including water-stop curtain, dash platform, open drain, Gutter and catch pit.
Further, described dash platform is arranged at foundation ditch slope and pushes up at outer 2m.
Further, described water-stop curtain is mutually lapped by many cement mixing methods and is formed, and overlap distance is 20cm, Water-stop curtain extend into impermeable stratum under substrate absolute altitude.
Further, described open drain is arranged at substrate surface, and with region excavation, subregion is arranged, described row Water bright ditch criss-cross arrangement.
Further, described gutter is arranged along at the bottom of foundation ditch surrounding slope, and subsection setup catch pit.
Further, the aproll gradient in described open drain and gutter is 0.2%.
Further, laying boulder bed in described catch pit, thickness is 20cm.
This utility model provides a kind of foundation ditch Yield rainfall relation excavation structure, uses the method for protecting support excavation pit putting slope to ground The lower above absolute altitude of water level, can reinforce domatic and slope jacking row putting domatic and slope jacking row gunite concrete surface layer, and slope is pushed up Arrange dash platform to be possible to prevent to cheat in outer ground precipitation inflow hole;Formation is mutually overlapped along foundation ditch surrounding construction cement mixing method Water-stop curtain, water-stop curtain extend into during impermeable stratum under substrate absolute altitude is possible to prevent the following soil excavation of level of ground water and cheats In outer Groundwater infiltration hole.
Continue subregion and put slope to being excavated at the bottom of slope, stretch in impermeable stratum due to water-stop curtain in this process, whole Bottom individual foundation ditch and surrounding is the formation of a water-tight structure, the main task of such foundation ditch Yield rainfall relation is exactly natural in foundation ditch Subsoil water in the earthwork in water and foundation ditch;It is excavated to substrate absolute altitude in each region and excavates open drain in substrate, along base simultaneously Excavation gutter at the bottom of surrounding slope, hole, and subsection setup catch pit;The method using this subregion to excavate it also avoid large area The Yield rainfall relation that excavation causes makes hole internal water accumulation too much affect construction not in time;During Yield rainfall relation, open drain is the water in foundation ditch Converge through gutter flow to catch pit from everywhere, catch pit arranges pumping equipment and draws water, arrange in catch pit There is boulder bed, can effectively prevent pumping equipment from blocking, greatly speed up the efficiency of Yield rainfall relation.
Accompanying drawing explanation
Fig. 1 is a kind of foundation ditch Yield rainfall relation excavation structural substrates plane graph.
Fig. 2 is a kind of foundation ditch Yield rainfall relation excavation structure partial sectional view.
Fig. 3 is a kind of foundation ditch Yield rainfall relation excavation structure water-stop curtain detail drawing.
In figure 1, water-stop curtain, 2, concrete topping, 3, dash platform, 4, open drain, 5, gutter, 6, catch pit, 7, Boulder bed.
Detailed description of the invention
This utility model provides a kind of foundation ditch Yield rainfall relation excavation structure, including water-stop curtain 1, dash platform 3, open drain 4, gutter 5 and catch pit 6.
Further, described dash platform 3 is arranged at foundation ditch slope and pushes up at outer 2m.
Further, described water-stop curtain 1 is mutually lapped by many cement mixing methods and is formed, and overlap distance is 20cm, water-stop curtain 1 extend into impermeable stratum under substrate absolute altitude.
Further, described open drain 4 is arranged at substrate surface, and with region excavation, subregion is arranged, described Open drain 4 criss-cross arrangement.
Further, described gutter 5 is arranged along at the bottom of foundation ditch surrounding slope, and subsection setup catch pit 6.
Further, described open drain 4 and the aproll gradient in gutter 5 are 0.2%.
Further, laying boulder bed 7 in described catch pit, thickness is 20cm.
This utility model provides a kind of foundation ditch Yield rainfall relation excavation structure, uses the method for protecting support excavation pit putting slope to ground The lower above absolute altitude of water level, can reinforce domatic and slope jacking row putting domatic and slope jacking row gunite concrete surface layer 2, prevent The bursting of domatic slope is bad, and top, slope arranges dash platform 3 and is possible to prevent to cheat in outer ground precipitation inflow hole;Along foundation ditch surrounding construction soil cement Mixing pile mutually overlaps formation water-stop curtain 1, and water-stop curtain 1 extend into impermeable stratum under substrate absolute altitude and is possible to prevent level of ground water Cheat during following soil excavation in outer Groundwater infiltration hole.
Continue subregion and put slope to being excavated at the bottom of slope, stretch in impermeable stratum due to water-stop curtain 1 in this process, whole Bottom individual foundation ditch and surrounding is the formation of a water-tight structure, the main task of such foundation ditch Yield rainfall relation is exactly natural in foundation ditch Subsoil water in the earthwork in water and foundation ditch;It is excavated to substrate absolute altitude in each region and excavates open drain 4 in substrate, along base simultaneously Excavation gutter 5 at the bottom of surrounding slope, hole, and subsection setup catch pit 6;The method using this subregion to excavate it also avoid big face The Yield rainfall relation that long-pending excavation causes makes hole internal water accumulation too much affect construction not in time;During Yield rainfall relation in the foundation ditch of 4, open drain Water from everywhere converge get up to flow to catch pit 6 through gutter 5, pumping equipment is set in catch pit 6 and draws water, catch pit It is provided with boulder bed 7 in 6, can effectively prevent pumping equipment from blocking, greatly speed up the efficiency of Yield rainfall relation.
A kind of foundation ditch Yield rainfall relation excavation structure of above-mentioned offer, its advantage is:
1, easy simple in construction is implemented in the excavation method of this foundation ditch Yield rainfall relation, saves a series of expenses of foundation ditch well digging dewatering, Use manpower and material resources sparingly, while foundation ditch sloping timbering, carry out dewatering operation, be greatly accelerated work efficiency;
2, outside basis, do not take out subsoil water, protect construction area and the balance of periphery groundwater resources, it is achieved sustainable Development, reduces the probability causing Adjacent Buildings sedimentation, earth's surface strain cracking to cause serious consequence;
3, the cost-effective reduction of erection time, Soil-cement pile water stopping curtain, open drain, gutter and catch pit are used, Excavation while carry out supporting and precipitation, than use well digging dewatering carry out again pattern foundation pit supporting structure excavation save about 50% cost with Duration.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people Member can carry out various change and amendment completely in the range of without departing from this utility model technological thought.This reality The content being not limited in description by novel technical scope, it is necessary to determine its technology according to right Property scope.

Claims (6)

1. foundation ditch Yield rainfall relation excavation structure, it is characterised in that: include water-stop curtain, dash platform, open drain, gutter and Catch pit, described dash platform is arranged at outer being possible to prevent in top, foundation ditch slope and cheats in outer precipitation entrance hole;Described water-stop curtain by Cement mixing method is mutually lapped formation;Described open drain is arranged at substrate surface, the subregion with foundation ditch subregion excavation Territory is arranged;Described gutter is arranged along at the bottom of foundation ditch surrounding slope, and subsection setup catch pit.
Foundation ditch Yield rainfall relation the most according to claim 1 excavation structure, it is characterised in that: described dash platform is arranged at foundation ditch Slope is pushed up at outer 2m.
Foundation ditch Yield rainfall relation the most according to claim 1 excavation structure, it is characterised in that: described water-stop curtain is by many water Earth mixing pile is mutually lapped formation, and overlap distance is 20cm.
Foundation ditch Yield rainfall relation the most according to claim 1 excavation structure, it is characterised in that: described open drain is arranged at base Basal surface, with foundation ditch subregion excavation, subregion is arranged, described open drain criss-cross arrangement.
Foundation ditch Yield rainfall relation the most according to claim 1 excavation structure, it is characterised in that: described open drain and gutter The aproll gradient be 0.2%.
Foundation ditch Yield rainfall relation the most according to claim 1 excavation structure, it is characterised in that: lay cobble in described catch pit Layer.
CN201620053845.1U 2016-01-20 2016-01-20 Drainage excavation structure falls in foundation ditch Expired - Fee Related CN205662938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620053845.1U CN205662938U (en) 2016-01-20 2016-01-20 Drainage excavation structure falls in foundation ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620053845.1U CN205662938U (en) 2016-01-20 2016-01-20 Drainage excavation structure falls in foundation ditch

Publications (1)

Publication Number Publication Date
CN205662938U true CN205662938U (en) 2016-10-26

Family

ID=57162998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620053845.1U Expired - Fee Related CN205662938U (en) 2016-01-20 2016-01-20 Drainage excavation structure falls in foundation ditch

Country Status (1)

Country Link
CN (1) CN205662938U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988342A (en) * 2017-05-19 2017-07-28 中国水利水电第四工程局有限公司 A kind of underground pipe gallery drainage and construction method
CN111119192A (en) * 2019-12-31 2020-05-08 中铁十六局集团北京轨道交通工程建设有限公司 Foundation pit excavation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988342A (en) * 2017-05-19 2017-07-28 中国水利水电第四工程局有限公司 A kind of underground pipe gallery drainage and construction method
CN111119192A (en) * 2019-12-31 2020-05-08 中铁十六局集团北京轨道交通工程建设有限公司 Foundation pit excavation method

Similar Documents

Publication Publication Date Title
CN105544576B (en) A kind of foundation pit Yield rainfall relation excavation method
CN104032760A (en) Foundation pit construction tube well dewatering method
CN106703044B (en) One kind stream modeling shape rinse fill soft stratum slope combination supporting method
CN102926376A (en) Treatment method for soft soil foundation in coastal reclamation region
CN205662938U (en) Drainage excavation structure falls in foundation ditch
CN109113076A (en) A kind of sinking tunnel Support of Foundation Pit Excavation near a river and drop water-stopping method and its structure
CN103741715A (en) Novel waterproof hydrophobic construction method for basement
CN103967015B (en) A kind of water seal for deep foundation pit excavation method and structure thereof
CN102383408A (en) Greening method for high water level impermeable saline and alkaline lands and greening system
CN105112652B (en) A kind of rare earth ore in-situ leaching disposing mother liquor canal body structure
CN107023013A (en) A kind of green precipitation method for making full use of hydrogeological characteristic
CN205907658U (en) Be used for anti - structure that seeps water of concrete -faced rockfill dam construction time dam body
CN204899930U (en) Secretly dig leading dry out well in subway hole
CN106703053A (en) Construction method for reinforced soil drainage composite revetment structure
CN110106886A (en) A kind of deep pit digging method of underground high water level
CN207143981U (en) 3rd is rich water half diagenesis Sandstone Section Metro station excavation discharge structure
CN102787608B (en) Gravity type foundation pit supporting system under vacuum effect and construction method
CN206941573U (en) Artificial digging pile
CN202767088U (en) Vacuum effect gravity type foundation trench supporting and protecting system
CN110185051A (en) Deep narrow excavation water discharge method
CN105970882B (en) Solve the structure and its building method of face dam construction time dam body reverse osmosis water problems
CN105350550A (en) Device and method for improving stability of protective face structure of overflow earth-rock cofferdam
RU131747U1 (en) Anti-filtration screen
CN105821892A (en) Horizontal screen pipe dewatering system and treatment method
CN209397606U (en) A kind of sinking tunnel Support of Foundation Pit Excavation near a river and drop water sealing structure

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161026

Termination date: 20180120

CF01 Termination of patent right due to non-payment of annual fee