CN203222815U - Composite basement-structure exterior wall construction formed by utilizing underground diaphragm wall - Google Patents

Composite basement-structure exterior wall construction formed by utilizing underground diaphragm wall Download PDF

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Publication number
CN203222815U
CN203222815U CN 201320073807 CN201320073807U CN203222815U CN 203222815 U CN203222815 U CN 203222815U CN 201320073807 CN201320073807 CN 201320073807 CN 201320073807 U CN201320073807 U CN 201320073807U CN 203222815 U CN203222815 U CN 203222815U
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CN
China
Prior art keywords
basement
diaphragm
underground diaphragm
exterior
construction
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
CN 201320073807
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Chinese (zh)
Inventor
李海光
沈鸣
叶耀东
李强
施国璋
茹国和
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.)
Shanghai Construction Group Design Institute Co Ltd
SHANGHAI JIANHAO ENGINEERING CONSULTANCY Co Ltd
Original Assignee
Shanghai Construction Group Design Institute Co Ltd
SHANGHAI JIANHAO ENGINEERING CONSULTANCY Co Ltd
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 Shanghai Construction Group Design Institute Co Ltd, SHANGHAI JIANHAO ENGINEERING CONSULTANCY Co Ltd filed Critical Shanghai Construction Group Design Institute Co Ltd
Priority to CN 201320073807 priority Critical patent/CN203222815U/en
Application granted granted Critical
Publication of CN203222815U publication Critical patent/CN203222815U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a composite deep-foundation structure and especially relates to composite basement-structure exterior wall construction formed by utilizing an underground diaphragm wall. The underground diaphragm wall and armoured concrete or the armoured concrete and steel-pipe horizontal support are adopted to be a foundation-pit temporary enclosure structure of a construction stage. A certain space is mounted between the underground diaphragm wall and a basement exterior wall. A waterproof layer, a drain pipe and a heat-insulation layer are successively disposed in the space along a direction from the underground diaphragm wall to the basement exterior wall. The drain pipe drains from inside of the underground diaphragm wall to a space below a basement base plate. The waterproof structure provided by the utility model can completely ensure that the underground diaphragm wall cannot generate water leakage, so that a lot of repairing troubles and cost can be avoided, basement use functions are ensured, basement safety use can be guaranteed and life is prolonged.

Description

A kind of combined type basement structure external wall structure that utilizes diaphragm wall to form
Technical field
The utility model relates to the combined type Deep Foundation Structure, especially a kind of combined type basement structure external wall structure that utilizes diaphragm wall to form.
Background technology
Mainly there is following defective at present existing deep foundation space enclosing structure:
1. outer wall of basement produces through crack and percolating water.
Extra-Deep Foundation Pit structures such as existing " two walls separate, independently arrange formula ", " two wall superposed types ", " two walls unification formula " are subjected to the temperature difference, contraction and water and soil pressure influence owing to the steel concrete outer wall of basement on the one hand at present; On the other hand; design, material, concrete mix and construction remain many deficiencies; and exist a common defects; be that outer wall of basement generally can produce vertical, oblique through crack and percolating water; can set up waterproofing course even two walls are separated the outer wall of basement outside that formula independently is set, but still outer wall of basement percolating water can take place because its topping is often not in place with the fragile waterproofing course of backfill piece material eventually.Need the long duration to carry out leak stopping repeatedly and repair, not only need to spend the leak stopping repair cost of a costliness, produce very big worry, influence the basement function of use, and can cause outer wall of basement percolating water place corrosion of steel bar to rot, influence its application life.
2. cost, resource and land wastage.
Separation independently arranges formula Extra-Deep Foundation Pit structure for two walls, its diaphragm wall and concrete support when being intended to basement construction and work, in the basement use, do not produce effect, its cost and the wasting of resources are big, and leave 600-1200mm width construction operation space between two walls, causing construction to change regional land resources waste after finishing.
3. complex procedures, the duration is longer.
Separation independently arranges formula Extra-Deep Foundation Pit structure for two walls, needs to increase the excavation and filling earth volume in the outer wall of basement outside, installs and dismounting outer wall of basement exterior sheathing; Increase and do outer wall of basement outside waterproofing course and topping.Close two walls unifications formula Extra-Deep Foundation Pit structure for two wall superposed types, not only concrete horizontal supports and utilizes, and outside the waste resource, mainly also need establish inwall, drainage blanket, buttress and also need carry out long-term automatic control pump drainage etc. in open drain, the base plate.
Summary of the invention
Technical problem to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art exactly, proposes a kind of combined type basement structure external wall structure that utilizes diaphragm wall to form.
Concrete technical scheme is as follows:
A kind of combined type basement structure external wall structure that utilizes diaphragm wall to form adopts diaphragm wall and steel concrete or steel concrete to add the steel pipe horizontal support as the interim space enclosing structure of construction stage foundation ditch; Be to be installed with certain space between diaphragm wall and outer wall of basement, set gradually waterproofing course, drain pipe, insulation layer along diaphragm wall to outer wall of basement in this space, described drain pipe drains into the water of diaphragm wall inboard under the basement bottom board.
Further, each layer of basement is along the overhanging diaphragm wall inboard of withstanding of outer wall of basement ring beam, floor and base plate.
Further, between diaphragm wall and each floor exterior wall ring beam of basement and building, base plate, give birth to the double-deck malthoid in shop.
The beneficial effects of the utility model are as follows:
(1) none bar crack of outer wall of basement, nowhere percolating water did not carry out once repairing plugging leaks water, had exempted and had repaiied leak stopping water worry in a large number.The basement drying has guaranteed engineering function of use and application life layer by layer, and the owner is very satisfied.
(2) provide cost savings.Owing to outer wall of basement leakproof water, exempted the outer wall of basement percolating water shutoff expense of a costliness; Because by the outer wall of basement ring beam with floor is overhanging is bearing on the diaphragm wall, bear the horizontal water and soil pressure that the diaphragm wall transmission comes, make outer wall of basement directly not bear water and soil pressure, thereby comparable conventional design wall thickness attenuate can be saved certain cost from 1/3-2/5 (200mm-300mm); Owing to dwindled distance between two walls, can corresponding expansion basement area, increase the rent and sale income.Having exempted outer wall of basement exterior sheathing peace in addition tears open and expenses such as backfill and bat inwall, open drain.So in conjunction with above-mentioned cutting down expenditures and increasing income expense, be many than the outer wall of basement outside insulation layer that increases and the expense of waterproofing course.
(3) saved the soil.The foundation pit enclosure structure that separates with two walls, independently arranges is compared, and distance reduces to about 150mm from 600mm-1200mm between two walls, and the corresponding basement building area all around that enlarges has improved land utilization ratio.
(4) foundation pit enclosure structure that separates with two walls, independently arranges is compared, and operation has minimizing, and there is shortening the duration.Though increased at continuous metope adhesive insulating layer on the operation, given birth to shop malthoid and construction waterproof layer, reduced that outer wall of basement template peace is torn open, back-filling in layers soil, construction bat inwall and open drain, and the prolonged and repeated plugging leaks water etc. of repairing.Simultaneously, because the minimizing of operation, the duration also has certain shortening.
Description of drawings
Fig. 1 combined type basement structure of the present utility model external wall structure schematic diagram.
Among the figure: the 1-diaphragm wall; 2-gives birth to the double-deck malthoid in shop; 3-heat and moisture preserving layer; The 4-waterproofing course; 5-outer wall of basement ring beam, floor; The 6-outer wall of basement; The 7-drain pipe.
The specific embodiment
As shown in Figure 1, combined type basement structure external wall structure schematic diagram of the present utility model.Adopt diaphragm wall 1 and steel concrete or steel concrete to add the steel pipe horizontal support as the interim space enclosing structure of construction stage foundation ditch.
Stay certain space at diaphragm wall 1 and 6 of outer wall of basement, heat and moisture preserving layer 3, waterproofing course 4, drain pipe 7 are set, except substituting the outer wall of basement external mold, mainly can make the outer wall of basement concrete in underground constant-temperature moisture-keeping environment, increase intensity, can effectively eliminate concrete and produce crack percolating water because of the temperature difference, contraction; Waterproofing course can have been set up waterproof barrier one for outer wall of basement; Vertical drain pipe can drain into diaphragm wall medial surface trace percolating water outside the base plate.Can guarantee that like this, fully outer wall of basement can percolating water.
With each layer of basement along the overhanging diaphragm wall inboard of withstanding of outer wall of basement ring beam, floor 5 and base plate, when engineering is used, can bear the water and soil pressure that diaphragm wall transmits, do not make outer wall of basement directly bear water and soil pressure, but attenuate outer wall of basement thickness 1/3-2/5 (200mm-300mm) gets final product about general thick 400mm like this.
Between diaphragm wall and each floor exterior wall ring beam of basement and building, base plate, give birth to the double-deck malthoid 2 in shop, can make diaphragm wall and basement enforcement free settling, do not restrict mutually.
Headspace is selected between diaphragm wall and outer wall of basement.Should estimate by the basement buried depth, such as: according to diaphragm wall relevant design standard to the requirement of verticality allowable variation, in conjunction with construction of diaphragm wall actual techniques equipment at present, to underground diaphragm wall verticality allowable variation value get≤1/400.The foundation ditch of three layers of basement keeps off the native degree of depth and gets about 15 meters, and diaphragm wall length is got about 30 meters, and like this, the construction of diaphragm wall perpendicularity deviation can be estimated as about 80mm and (comprise the general local bulge size of diaphragm wall medial surface); In the diaphragm wall inboard, polyphenyl plate heat preserving bed thickness 50mm is set, about the thick 5mm of its bonding adhesive; Make a cloth (nonwoven) four in the insulation layer outside and be coated with wet gram prestige water-repellent paint layer; thick 2mm; burlap sheet one deck is pasted on the surface; about thick 3mm; waterproofing course is powder 1:2 cement mortar protective course more outward; thick 10mm, like this, the headspace width should be about 150mm between the diaphragm wall of three layers of basement and outer wall of basement.
Smooth to underground diaphragm wall medial surface trimming.Be firm paste heat-preserving plate, guarantee that plate lateral surface planeness and verticality can meet the outer wall of basement exterior sheathing allowable variation requirement is installed, and will accomplish diaphragm wall medial surface drying to a certain degree.So regulation is as follows to underground diaphragm wall medial surface trimming principle:
(1) the part protrusion is surpassed benchmark vertical plane 75mm and need cut chipping with the upper part, usefulness M10 cement mortar powder is flat, sanding is surperficial.
(2) to 30mm with interior position, flat with M10 cement mortar layering powder, sanding is surperficial.
(3) to the recessed 30mm position that surpasses, it is closely knit to fill out embedding with the C20 pea gravel concreten, the surface with the M10 cement mortar powder put down, sanding.
(4) folder mud, cavity, dew muscle etc. are located, cut peace and quiet folder mud, burning into sand, loose stone grain, it is closely knit to fill out embedding with the C20 pea gravel concreten, the surface with the M10 cement mortar powder put down, sanding.
(5) to the general percolating water of metope position with leak stopping such as quick hardening cements.Severe patient can carry out leak stopping with pressure injection epoxies slurries or water-soluble polyamine lipoprotein solution etc.
(6) to framing joint percolating water position, can carry out shutoff with layering two fluid grouting or rotary churning pile in the joint outside.
Warming plate will be born insulation and two functions of alternative outer wall of basement exterior sheathing, so certain heat-insulating property and intensity will be arranged.
The waterproofing materials energy secure bond that waterproofing course adopts gets final product by testing selected water-repellent paint compatible with this warming plate and secure bond on warming plate.
Give birth to the double-deck malthoid in shop, because the sedimentation of diaphragm wall and basement structure is can be not synchronous.For both are not restricted mutually, the double-deck malthoid in shop is given birth in free settling separately between each layer of outer wall of basement ring beam, floor and the overhanging end face of base plate and diaphragm wall.The perpendicular shop of malthoid, the top exceeds about 100mm than ring beam and base plate face.The first floor malthoid adopts the sticking method of bar with wet gram prestige water-repellent paint or special-purpose adhesive glue, is bonded on the diaphragm wall medial surface.Second layer malthoid covers on the first floor malthoid, and the top is fixing a little with nail and timber bead, and malthoid is not dropped, and can be free to slide in the asynchronous sedimentation with diaphragm wall of basement again.
The beneficial effects of the utility model are as follows:
(1) none bar crack of outer wall of basement, nowhere percolating water did not carry out once repairing plugging leaks water, had exempted and had repaiied leak stopping water worry in a large number.The basement drying has guaranteed engineering function of use and application life layer by layer, and the owner is very satisfied.
(2) provide cost savings.Owing to outer wall of basement leakproof water, exempted the outer wall of basement percolating water shutoff expense of a costliness; Because by the outer wall of basement ring beam with floor is overhanging is bearing on the diaphragm wall, bear the horizontal water and soil pressure that the diaphragm wall transmission comes, make outer wall of basement directly not bear water and soil pressure, thereby comparable conventional design wall thickness attenuate can be saved certain cost from 1/3-2/5 (200mm-300mm); Owing to dwindled distance between two walls, can corresponding expansion basement area, increase the rent and sale income.Having exempted outer wall of basement exterior sheathing peace in addition tears open and expenses such as backfill and bat inwall, open drain.So in conjunction with above-mentioned cutting down expenditures and increasing income expense, be many than the outer wall of basement outside insulation layer that increases and the expense of waterproofing course.
(3) saved the soil.The foundation pit enclosure structure that separates with two walls, independently arranges is compared, and distance reduces to about 150mm from 600mm-1200mm between two walls, and the corresponding basement building area all around that enlarges has improved land utilization ratio.
(4) foundation pit enclosure structure that separates with two walls, independently arranges is compared, and operation has minimizing, and there is shortening the duration.Though increased at continuous metope adhesive insulating layer on the operation, given birth to shop malthoid and construction waterproof layer, reduced that outer wall of basement template peace is torn open, back-filling in layers soil, construction bat inwall and open drain, and the prolonged and repeated plugging leaks water etc. of repairing.Simultaneously, because the minimizing of operation, the duration also has certain shortening.

Claims (3)

1. a combined type basement structure external wall structure that utilizes diaphragm wall to form is characterized in that, adopts diaphragm wall and steel concrete or steel concrete to add the steel pipe horizontal support as the interim space enclosing structure of construction stage foundation ditch; Be installed with certain space between diaphragm wall and outer wall of basement, set gradually waterproofing course, drain pipe, insulation layer along diaphragm wall to outer wall of basement in this space, described drain pipe drains into the water of diaphragm wall inboard under the basement bottom board.
2. a kind of combined type basement structure external wall structure that utilizes diaphragm wall to form according to claim 1 is characterized in that each layer of basement is along the overhanging diaphragm wall inboard of withstanding of outer wall of basement ring beam, floor and base plate.
3. a kind of combined type basement structure external wall structure that utilizes diaphragm wall to form according to claim 1 is characterized in that, gives birth between diaphragm wall and each floor exterior wall ring beam of basement and building, base plate and spreads double-deck malthoid.
CN 201320073807 2013-02-17 2013-02-17 Composite basement-structure exterior wall construction formed by utilizing underground diaphragm wall Expired - Fee Related CN203222815U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103615017A (en) * 2013-12-10 2014-03-05 华东建筑设计研究院有限公司 Connecting part of underground continuous wall top beam and basement structure top plate
CN103669402A (en) * 2013-12-25 2014-03-26 华东建筑设计研究院有限公司 Pile and wall integrated structure combining outer wall of basement body and guard pile
CN104929137A (en) * 2015-07-21 2015-09-23 华东建筑设计研究院有限公司 Pile wall composite structure
CN105239607A (en) * 2015-10-19 2016-01-13 苏州大学 Integrated anti-floating structure of underground diaphragm wall and concrete structure bottom plate and construction method of integrated anti-floating structure
CN105735246A (en) * 2016-04-12 2016-07-06 中铁建大桥工程局集团第四工程有限公司 Underground building exterior wall and envelop structure and construction method thereof
CN106351343A (en) * 2016-11-10 2017-01-25 成都市第八建筑工程公司 Basement outer wall waterproof protection structure capable of realizing synchronous crossing construction and construction method thereof
CN106400985A (en) * 2016-11-10 2017-02-15 成都市第八建筑工程公司 Basement outer wall waterproof protection structure and construction method
CN110158654A (en) * 2019-06-16 2019-08-23 简辽 A kind of architectural construction structure of anticorrosion pit wall

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103615017A (en) * 2013-12-10 2014-03-05 华东建筑设计研究院有限公司 Connecting part of underground continuous wall top beam and basement structure top plate
CN103669402A (en) * 2013-12-25 2014-03-26 华东建筑设计研究院有限公司 Pile and wall integrated structure combining outer wall of basement body and guard pile
CN104929137A (en) * 2015-07-21 2015-09-23 华东建筑设计研究院有限公司 Pile wall composite structure
CN105239607A (en) * 2015-10-19 2016-01-13 苏州大学 Integrated anti-floating structure of underground diaphragm wall and concrete structure bottom plate and construction method of integrated anti-floating structure
CN105735246A (en) * 2016-04-12 2016-07-06 中铁建大桥工程局集团第四工程有限公司 Underground building exterior wall and envelop structure and construction method thereof
CN106351343A (en) * 2016-11-10 2017-01-25 成都市第八建筑工程公司 Basement outer wall waterproof protection structure capable of realizing synchronous crossing construction and construction method thereof
CN106400985A (en) * 2016-11-10 2017-02-15 成都市第八建筑工程公司 Basement outer wall waterproof protection structure and construction method
CN106400985B (en) * 2016-11-10 2020-01-31 成都市第八建筑工程公司 basement exterior wall waterproof protection structure and construction method
CN110158654A (en) * 2019-06-16 2019-08-23 简辽 A kind of architectural construction structure of anticorrosion pit wall
CN110158654B (en) * 2019-06-16 2021-08-20 烟台腾远建筑工程有限公司 Building structure of anti-corrosion pit wall

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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: 20131002

Termination date: 20170217

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