CN104594388A - Advancing waterstop sedimentation post-cast strip of foundation slab - Google Patents
Advancing waterstop sedimentation post-cast strip of foundation slab Download PDFInfo
- Publication number
- CN104594388A CN104594388A CN201510030147.XA CN201510030147A CN104594388A CN 104594388 A CN104594388 A CN 104594388A CN 201510030147 A CN201510030147 A CN 201510030147A CN 104594388 A CN104594388 A CN 104594388A
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- water
- waterstop
- joint
- sole plate
- stopping
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses an advancing waterstop sedimentation post-cast strip of a foundation slab. The advancing waterstop sedimentation post-cast strip of the foundation slab is characterized in that an advancing waterstop water-proof construction member is of an integral structure, a right angle type expansion joint is formed between the advancing waterstop water-proof construction member and the foundation slab, two side surfaces of the expansion joint are provided with steel moulding plates with reserved reinforcing steel bar holes; the horizontal extension joint is hollow, and the vertical extension joint is filled with waterstop caulking objects; the junctions of the extension joints and a foundation bed are provided with stainless steel waterstop strips; the junction of the advancing waterstop water-proof construction member and the post-cast strip is poured with a cement mortar screeding layer which is coated with flexible water-proof paint. The sedimentation post-cast strip has the advantages that the extension joints are changed into two right angle extension joints from a single vertical extension joint, so that a water permeation route is long; the advancing waterstop water-proof construction member has the advantages of small crack spreading range and good differential settlement control effect; the stainless steel waterstop strips can carry out tensile deformation along with sedimentation and have a corrosion resistant function; the downstream face resists water by using the flexible water-proof paint, the problem of water-proof invalidation caused by that a flexible water-proof layer of the downstream face can be easily peeled off can be solved; the steel moulding plates with the reserved reinforcing steel bar holes are used as dismounting-free moulding plates, and construction progress and quality can be improved.
Description
Technical field
The present invention relates to architectural engineering construction technique, particularly a kind of sole plate advanced water-stopping pouring after settlement.
Background technology
In construction work, because the retention time of ater-casting is general all longer, adopt traditional ater-casting mode when building foundation is positioned at below groundwater table, ater-casting must build the concrete of ater-casting again after main structure construction completes.This just requires to continue to carry out precipitation in main body construction process, ensures that underground water remains on below basis, and by the time agent structure completes and could stop precipitation after building ater-casting concrete.
Arranging the adverse effect caused ater-casting is: one, due to long continuing precipitation, and power consumption is large, and engineering cost is increased; Two, basis is exposed in air for a long time, and due to the existence of day and night temperature, base exterior wall easily produces shrinking cracks; Three, can not backfill immediately after the completion of basis, there is potential safety hazard; Four, basic earthwork does not backfill the construction affecting subsequent handling.
Publication number is that the Chinese utility model patent of CN 201598645U gives a kind of advanced water-stop post-pouring belt of foundation slab through improving, its structure is: install gauze wire cloth and steel plate for sealing water in the side of ater-casting, in the below of first casting foundation base plate, advanced water-stopping band is set, the vertical indwelling shrinkage joint at the center of advanced water-stopping band, wood fibre asphalt plank is inserted, the middle part horizontally set rubber fastening band at shrinkage joint in shrinkage joint.The defect of this advanced water-stop post-pouring zone is:
1, when constructing this position, some units in charge of construction tear the problem of film difficulty open in order to solve waterstop bottom, sometimes direct by install wood fibre asphalt plank when template use, later stage does not tear open, its decrement is very large, sole plate waterproofing course can not be met and served as a contrast requirement, creep by continued tension effect generation under making waterproofing course be in the pressure effect of water for a long time.
2, in work progress, because rubber fastening band is fixed bad, very easily occur when concreting skew and by drawing crack phenomenon; Cause advanced water-stopping band generation percolating water, bring adverse effect to the waterproof of ater-casting, time serious, can building safety be affected.
3, this advanced water-stopping pouring after settlement adopts pre-sealing technique, when both sides difference load is larger, crack can be carried out in the middle part of plain concrete cushion layer from the both sides of edges of the plain concrete cushion layer at position, shrinkage joint, when difference load continues to increase, crack can continue to carry out to advanced water-stopping pouring after settlement stretches out the edge of a wing, thus extend to the intersection stretching out the edge of a wing and first casting foundation base plate near podium side, structural entity was lost efficacy.
4, single vertical expansion joint established by advanced water-stopping band, and relative settlement easily causes it to destroy, and causes advanced water-stop post-pouring zone to lose efficacy.
Publication number is that the Chinese utility model patent of CN 202416379U gives the another kind of pouring after settlement that can stop precipitation in advance through improving, its structure is, in both sides, ater-casting, expanded metal lath and water expandable waterstop are set, bottom, ater-casting arranges the armored concrete slab that local thickeies, and arranges double steel bar in armored concrete slab; In the middle part of armored concrete slab, vertically stay one shrinkage joint, be filled with polystyrol plastic foam plate in shrinkage joint, in shrinkage joint, middle part is horizontally arranged with buried seal plate in deformability; One waterproof roll is set bottom armored concrete slab.The pouring after settlement of this structure, the rubber fastening band in above pouring after settlement shrinkage joint is just replaced with steel plate for sealing water, solve that rubber fastening band is yielding causes advanced water-stopping band leakage problem, but still the problem (ability of bearing difference load of just comparing increases) that extension can be carried out in the crack when both sides difference load is larger can not be solved.In addition, the polystyrol plastic foam plate in this pouring after settlement vertical expansion joint is not high because of intensity own, is easily out of shape in construction yet, causes advanced water-stopping band generation percolating water, affects the water-proof function of ater-casting.
Summary of the invention
The object of the invention is the defect and the deficiency that overcome the existence of above-mentioned prior art, a kind of technique effect better sole plate advanced water-stopping pouring after settlement is provided.
Sole plate advanced water-stopping pouring after settlement provided by the invention, comprise sole plate, be positioned at sole plate after pouring concrete indwelling place ater-casting and be positioned at the advanced water-stopping water proof component of bottom, ater-casting; Sole plate and be equipped with waterproof roll between advanced water-stopping water proof component and foundation pad, sole plate and ater-casting intersection lay fast-easy closing-up net;
Described advanced water-stopping water proof component is monolithic construction, and have right angle type shrinkage joint between its both sides, top and sole plate, there is steel form the two sides at shrinkage joint, and wherein transverse expansion joint is hollow, is filled with sealing filleting thing in vertical expansion joint; Shrinkage joint and foundation pad joint are provided with stainless steel waterstop; Advanced water-stopping water proof component and joint, ater-casting joints cement mortar levelling layer, brushing pliability quality on cement mortar screeding layer.
Described steel form by two panels sliceable go out the inversion L-type steel plate of reinforced hole form, the support body supports that the transverse expansion joint of hollow is made up of i shaped steel, the spacing of supporter is not more than 200mm.
The sealing filleting thing of filling in described vertical expansion joint is waterproof gasket cement.
The width at described shrinkage joint is not more than 40mm.
The beneficial effect of sole plate advanced water-stopping pouring after settlement of the present invention is:
1, advanced water-stopping water proof component shrinkage joint by the single vertical expansion joint being originally located at center change into be located at both sides, with the shrinkage joint of sole plate shape at a right angle, the infiltration routes of water is extended, is conducive to raising waterproof stagnant water effect.
2, advanced water-stopping water proof component adopts monolithic construction, according to the good mechanical characteristic of raft foundation globality, because keeping globality between the first pouring concrete sole plate in position, ater-casting and both sides, the interaction of both sides, ater-casting is strengthened, under same difference load action, the relative settlement of pouring after settlement of the present invention diminishes; Simultaneously due to stressed more reasonable, crack developing scope is also relatively little.
3, hollow form is taked at horizontal shrinkage joint, deformable during relative settlement, controls relative settlement effective.
4, lay fast-easy closing-up net at sole plate and joint, ater-casting, be convenient to the bonding of rear pouring concrete and first pouring concrete sole plate, strengthen shear strength; And fast-easy closing-up net can be used as the problem needing dabbing and at substantial manpower before a kind of permanent shuttering solves the both sides concreting of conventional construction method ater-casting; Because shaving the cleaning after the mass effect of cutter and dabbing without the need to considering, construction quality also can be guaranteed.
5, the Ω shape stainless steel waterstop arranged at shrinkage joint and foundation pad joint with the concrete settlement stretcher strain of both sides, ater-casting, can not rupture, and improves waterproof stagnant water effect; Meanwhile, when percolating water contains corrosion composition, stainless steel waterstop can play certain anticorrosive effect.
6, use pliability quality as back side strong and unyielding property waterproof, upstream face waterproof can be made up once the problem that lost efficacy: because of no adhesion between the waterproof roll of upstream face and bed course, not closely connected, as long as a bit there is seepage, will spread to whole waterproof roll scope gradually, cause upstream face waterproof failure, now can remedy by the strong and unyielding property waterproof of back side.
7, the steel form in shrinkage joint adopts the steel plate of band opposing teeth assembled, for position of portalling reserved by the steel mesh reinforcement that stretches out of advanced water-stopping water proof component, based on base plate exempt from dismounting template use, on the one hand can accelerating construction progress and improve construction quality, on the other hand, the hollow structure that its transverse expansion joint adopts band to support, can be out of shape when relative settlement.
Accompanying drawing explanation
Fig. 1 is the structural representation of sole plate advanced water-stopping pouring after settlement of the present invention;
Fig. 2 is the arrangement of reinforcement schematic diagram of sole plate advanced water-stopping pouring after settlement of the present invention;
Fig. 3 is the schematic perspective view of steel form in Fig. 1;
Fig. 4 is the two-part partial schematic diagram of mutual splicing of pie graph 3 steel form;
Fig. 5 is the partial schematic diagram that Fig. 4 two parts are spliced into the steel form in band reserved steel bar hole.
In figure: 1-sole plate, 2-foundation pad, 3-ater-casting, 4-fast-easy closing-up net, 5-waterproof roll, 6-advanced water-stopping water proof component, 7-stainless steel waterstop, 8-shrinkage joint, 9-cement mortar screeding layer, 10-pliability quality, 11-steel form, 11-1-opposing teeth, 11-2-reinforced hole, 11-3 supporter, 12-sealing filleting thing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Composition graphs 1 to Fig. 5, sole plate advanced water-stopping pouring after settlement of the present invention, comprises sole plate 1, is positioned at the ater-casting 3 of rear pouring concrete indwelling place of sole plate 1 and is positioned at the advanced water-stopping water proof component 6 of bottom, ater-casting 3; Sole plate 1 and be equipped with waterproof roll 5 between advanced water-stopping water proof component 6 and foundation pad 2, sole plate 1 and ater-casting 3 intersection lay fast-easy closing-up net 4;
Advanced water-stopping water proof component 6 is monolithic construction, right angle type shrinkage joint 8 is had between its both sides, top and sole plate 1, the width at shrinkage joint 8 is not more than 40mm, there is steel form 11 two sides at shrinkage joint 8, steel form 11 is by with opposing teeth 11-1, the inversion L-type steel plate docking that can be spliced into reserved steel bar hole 11-2 is formed, wherein transverse expansion joint is hollow state, the supporter 11-3 that the i shaped steel being not more than 200mm by mutual spacing is made supports, gap between reinforced hole 11-2 and reinforcing bar can be filled (not shown) with waterproof gasket cement, the sealing filleting thing 12 be made up of waterproof gasket cement is filled in vertical expansion joint, shrinkage joint 8 and foundation pad 2 joint are provided with Ω shape stainless steel waterstop 7, advanced water-stopping water proof component 6 and joint, ater-casting 3 joints cement mortar levelling layer 9, brushing pliability quality 10 on cement mortar screeding layer.
The construction of sole plate advanced water-stopping pouring after settlement of the present invention can be undertaken by the step of following order:
1, be positioned at 500-800mm place, both sides, ater-casting, cut along in 45 ° downwards, digging the degree of depth is 300-500mm groove;
2, foundation pad is built by laying bricks or stones;
3, laying water-proof coiled material;
4, the steel mesh reinforcement of advanced water-stopping water proof component is pricked, that notes protection indwelling stretches out reinforcing bar, indwelling shrinkage joint, the high 200-400mm of vertical seam, the width of seam is no more than 40mm (can select according to actual conditions), in the two sides at shrinkage joint, steel form is installed, install in the transverse expansion joint of hollow and make supporter by i shaped steel, the spacing of supporter is not more than 200mm, in vertical expansion joint, fill waterproof gasket cement, in vertical expansion joint and foundation pad joint, Ω shape stainless steel waterstop is installed;
5, advanced water-stopping water proof component is built;
6, after the concrete of advanced water-stopping water proof component reaches some strength, carry out levelling by cement mortar to advanced water-stopping water proof member upper, and brushing pliability waterproofing slurry, arrange band supporting steel template.
7, colligation first pouring concrete sole plate steel mesh reinforcement, and the fast-easy closing-up net with joint, ater-casting is set;
8, build the concrete of advanced water-stopping water proof component and sole plate simultaneously;
9, treat that superstructure can resist buoyancy force of underground water or sedimentation tends towards stability, after the concrete of ater-casting reaches the condition of building, ater-casting is cleaned out, use and build than the expansive concrete of both sides sole plate first pouring concrete high one-level label, and carry out the concrete maintenance in ater-casting, sole plate globality is not damaged.
Claims (4)
1. a sole plate advanced water-stopping pouring after settlement, comprise sole plate (1), be positioned at sole plate (1) afterwards pouring concrete indwelling place ater-casting (3) and be positioned at the advanced water-stopping water proof component (6) of ater-casting (3) bottom; Sole plate (1) and be equipped with waterproof roll (5) between advanced water-stopping water proof component (6) and foundation pad (2), sole plate (1) and ater-casting (3) intersection lay fast-easy closing-up net (4); It is characterized in that:
Described advanced water-stopping water proof component (6) is monolithic construction, right angle type shrinkage joint (8) is had between its both sides, top and sole plate (1), there is steel form (11) two sides at shrinkage joint (8), wherein transverse expansion joint is hollow, is filled with sealing filleting thing (12) in vertical expansion joint; Shrinkage joint (8) and foundation pad (2) joint are provided with stainless steel waterstop (7); Advanced water-stopping water proof component (6) and ater-casting (3) joint joints cement mortar levelling layer (9), the upper brushing pliability quality (10) of cement mortar screeding layer (9).
2. sole plate advanced water-stopping pouring after settlement according to claim 1, it is characterized in that: described steel form (11) by two panels sliceable go out the inversion L-type steel plate of reinforced hole (11-2) form, the supporter (11-3) that the transverse expansion joint of hollow is made up of i shaped steel supports, and the spacing of supporter (11-3) is not more than 200mm.
3. sole plate advanced water-stopping pouring after settlement according to claim 1, is characterized in that: the sealing filleting thing (12) of filling in described vertical expansion joint is waterproof gasket cement.
4. sole plate advanced water-stopping pouring after settlement according to claim 1, is characterized in that: the width of described shrinkage joint (8) is not more than 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030147.XA CN104594388B (en) | 2015-01-19 | 2015-01-19 | A kind of advanced sealing pouring after settlement of sole plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030147.XA CN104594388B (en) | 2015-01-19 | 2015-01-19 | A kind of advanced sealing pouring after settlement of sole plate |
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| Publication Number | Publication Date |
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| CN104594388A true CN104594388A (en) | 2015-05-06 |
| CN104594388B CN104594388B (en) | 2016-06-01 |
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| CN201510030147.XA Active CN104594388B (en) | 2015-01-19 | 2015-01-19 | A kind of advanced sealing pouring after settlement of sole plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804949A (en) * | 2019-11-04 | 2020-02-18 | 南京毛勒工程材料有限公司 | Pouring method for filler in anchoring area of expansion joint |
| CN111648411A (en) * | 2020-05-06 | 2020-09-11 | 上海建工二建集团有限公司 | Downward-turning type post-cast strip support replacing structure, construction method and post-cast strip construction method |
| CN112049116A (en) * | 2020-08-20 | 2020-12-08 | 韶关市新城兴建筑工程有限公司 | Soft soil layer deep foundation pit excavation construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100934283B1 (en) * | 2007-08-09 | 2009-12-28 | 김기철 | Expansion joint waterproofing and waterproofing method of concrete structure using expansion joint member |
| CN201801890U (en) * | 2010-08-10 | 2011-04-20 | 朱奎 | Post-pouring belt of basement with structural joint |
| CN202099816U (en) * | 2011-05-11 | 2012-01-04 | 江苏南通三建集团有限公司 | Prefabricated waterproof and soil-blocking plate for later poured band of outer wall of basement |
| CN202347544U (en) * | 2011-12-14 | 2012-07-25 | 江西建工第一建筑有限责任公司 | Advance water stop construction structure for post-cast strip of basement outer wall |
| CN204456223U (en) * | 2015-01-19 | 2015-07-08 | 沈阳建筑大学 | A kind of sole plate advanced water-stopping pouring after settlement |
-
2015
- 2015-01-19 CN CN201510030147.XA patent/CN104594388B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100934283B1 (en) * | 2007-08-09 | 2009-12-28 | 김기철 | Expansion joint waterproofing and waterproofing method of concrete structure using expansion joint member |
| CN201801890U (en) * | 2010-08-10 | 2011-04-20 | 朱奎 | Post-pouring belt of basement with structural joint |
| CN202099816U (en) * | 2011-05-11 | 2012-01-04 | 江苏南通三建集团有限公司 | Prefabricated waterproof and soil-blocking plate for later poured band of outer wall of basement |
| CN202347544U (en) * | 2011-12-14 | 2012-07-25 | 江西建工第一建筑有限责任公司 | Advance water stop construction structure for post-cast strip of basement outer wall |
| CN204456223U (en) * | 2015-01-19 | 2015-07-08 | 沈阳建筑大学 | A kind of sole plate advanced water-stopping pouring after settlement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804949A (en) * | 2019-11-04 | 2020-02-18 | 南京毛勒工程材料有限公司 | Pouring method for filler in anchoring area of expansion joint |
| CN111648411A (en) * | 2020-05-06 | 2020-09-11 | 上海建工二建集团有限公司 | Downward-turning type post-cast strip support replacing structure, construction method and post-cast strip construction method |
| CN112049116A (en) * | 2020-08-20 | 2020-12-08 | 韶关市新城兴建筑工程有限公司 | Soft soil layer deep foundation pit excavation construction method |
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| CN104594388B (en) | 2016-06-01 |
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