CN104594388B - A kind of advanced sealing pouring after settlement of sole plate - Google Patents
A kind of advanced sealing pouring after settlement of sole plate Download PDFInfo
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- CN104594388B CN104594388B CN201510030147.XA CN201510030147A CN104594388B CN 104594388 B CN104594388 B CN 104594388B CN 201510030147 A CN201510030147 A CN 201510030147A CN 104594388 B CN104594388 B CN 104594388B
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- expansion joint
- sole plate
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- advanced sealing
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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
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- 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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- General Engineering & Computer Science (AREA)
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Abstract
A kind of advanced sealing pouring after settlement of sole plate, being characterized in that advanced sealing is one-piece construction every water component, and form square expansion joint between sole plate, two sides, expansion joint are the Sheet Steel Form having reserved steel bar hole, transversal stretching seam hollow, erects and fills sealing filleting thing to expansion joint; There is stainless steel waterstop at expansion joint with bed course joint, basis; Advanced sealing every water component and joint, post-cast strip joints cement mortar screed-coat, brushing pliability quality on screed-coat. The advantage of this pouring after settlement is: expansion joint makes two expansion joints, right angle into by single erecting to expansion joint, and the infiltration routes of water is long; It is little that advanced sealing carries out scope every water structure member crevices, and difference settlement control is effective; Stainless steel waterstop with sedimentation tensile deformation, and can have anticorrosive effect; Back side pliability quality waterproof, can solve the face flexible waterproof layer of meeting water and easily peel off and cause waterproof failure problem; The Sheet Steel Form boxed out with steel bar preassembling is done to exempt from dismounting template, can improve construction speed and quality.
Description
Technical field
The present invention relates to architectural engineering construction technique, particularly a kind of advanced sealing pouring after settlement of sole plate.
Background technology
In construction work, owing to the retention time of post-cast strip is general all longer, adopting traditional post-cast strip mode when building foundation is positioned at below ground water table, post-cast strip must build the concrete of post-cast strip 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 post-cast strip concrete.
Arranging the disadvantageous effect caused post-cast strip is: one, due to long-time continuing precipitation, and power consumption is big, 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, basis exterior wall easily produces shrinking cracks; Three, after the completion of basis can not backfill soil immediately, there is potential safety hazard; Four, basic earthwork does not backfill the construction affecting subsequent handling.
The Chinese utility model patent that publication number is CN201598645U gives a kind of advanced sealing post-cast strip of sole plate through improving, its structure is: install woven wire and steel plate for sealing water in the side of post-cast strip, in the lower section of first casting foundation base plate, advanced waterstop is set, erect at the center of advanced waterstop to indwelling expansion joint, wood fibre asphalt plank is inserted, the middle part arranged transversely rubber fastening band at expansion joint in expansion joint. The defect of this kind of advanced sealing post-cast strip is:
1, when constructing this position, some units in charge of construction tear the problem of film difficulty open to solve waterstop bottom, sometimes directly the wood fibre asphalt plank installed is worked as template to use, later stage does not tear open, its draught is very big, sole plate waterproof layer can not be met and served as a contrast requirement so that waterproof layer produces to creep by continuing tension force effect under being in the pressure effect of water for a long time.
2, in construction process, owing to rubber fastening band is fixing not good, very easily there is skew when casting concrete and by drawing crack phenomenon; Cause advanced waterstop generation seepage water, bring disadvantageous effect to the waterproof of post-cast strip, building safety time serious, can be affected.
3, this advanced sealing pouring after settlement adopts pre-sealing technique, when both sides difference load is bigger, 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, expansion joint, when difference load continues to increase, crack can continue to carry out to stretching out the edge of a wing on advanced sealing pouring after settlement, thus extend to and stretch out the boundary place of the edge of a wing with first casting foundation base plate near side, skirt room, structure entirety was lost efficacy.
4, advanced waterstop is established and single is erected to expansion joint, and difference sedimentation easily causes it to destroy, and causes advanced sealing post-cast strip to be lost efficacy.
The Chinese utility model patent that publication number is CN202416379U gives the pouring after settlement that can in advance stop precipitation of another kind through improving, its structure is, expanded metal lath and water expandable waterstop are set in both sides, post-cast strip, bottom, post-cast strip arranges the Steel Concrete plate that local thickeies, and arranges double steel bar in Steel Concrete plate; Erecting in the middle part of Steel Concrete plate to staying one expansion joint, be filled with polystyrol plastic foam plate in expansion joint, in expansion joint, middle part is horizontally arranged with in distortion ability buried sealing plate; One waterproof roll is set bottom Steel Concrete plate. The pouring after settlement of this kind of structure, just replace the rubber fastening band in above pouring after settlement expansion joint with steel plate for sealing water, solve rubber fastening band to be easily out of shape and cause advanced waterstop leakage problem, but still can not solve the problem (ability bearing difference load of just comparing increases) that extension can be carried out in the crack when both sides difference load is bigger. In addition, this kind of pouring after settlement erects to the polystyrol plastic foam plate in expansion joint because intensity own is not high, is also easily out of shape, causes advanced waterstop generation seepage water, affect the water-proof function of post-cast strip in construction.
Summary of the invention
It is an object of the invention to overcome defect and the deficiency that above-mentioned prior art exists, it is provided that a kind of advanced sealing pouring after settlement of the better sole plate of technique effect.
The advanced sealing pouring after settlement of sole plate provided by the invention, comprise sole plate, be positioned at sole plate after the post-cast strip of pouring concrete indwelling place and be positioned at bottom, post-cast strip advanced sealing every water component; Sole plate and advanced sealing are equipped with waterproof roll between water component and basis bed course, and fast-easy closing-up net is laid at sole plate and boundary, post-cast strip place;
Described advanced sealing is one-piece construction every water component, has square expansion joint between its both sides, top and sole plate, and there is Sheet Steel Form the two sides at expansion joint, and wherein transversal stretching seam is hollow, erects and is filled with sealing filleting thing in expansion joint; Expansion joint is provided with stainless steel waterstop with bed course joint, basis; Advanced sealing every water component and joint, post-cast strip joints cement mortar screed-coat, brushing pliability quality on sand-cement slurry screed-coat.
Described Sheet Steel Form by two panels sliceable go out reinforced hole inversion L-type steel plate form, the transversal stretching of hollow stitches the support body supports being made up of i shaped steel, and the spacing of supporter is not more than 200mm.
The described sealing filleting thing erecting filling in expansion joint is waterproof gasket cement.
The width at described expansion joint is not more than 40mm.
The useful effect of sole plate of the present invention advanced sealing pouring after settlement is:
1, advanced sealing every the expansion joint of water component by be originally located at center single erect to change into expansion joint be located at the expansion joint that both sides become square with sole plate, the infiltration routes of water is extended, is conducive to raising waterproof stagnant water effect.
2, advanced sealing adopts one-piece construction every water component, according to the good mechanical characteristic of raft foundation globality, because keeping globality between the first pouring concrete sole plate in position, post-cast strip and both sides, the interaction of both sides, post-cast strip is strengthened, under same difference loading action, the difference sedimentation of pouring after settlement of the present invention diminishes; Simultaneously due to more reasonable by power, crack developing scope is also relatively little.
3, hollow form is taked at horizontal expansion joint, deformable during difference sedimentation, and control difference effect of settling is good.
4, lay fast-easy closing-up net at sole plate and joint, post-cast strip, it is convenient to rear pouring concrete bonding with first pouring concrete sole plate, strengthens shearing resistance; And, fast-easy closing-up net can be used as the problem needing dabbing and at substantial manpower before a kind of permanent type template solves the both sides concrete placement of conventional construction method post-cast strip; Because shaving the cleaning after the mass effect of cutter and dabbing without the need to considering, construction quality also can be ensured.
5, the �� shape stainless steel waterstop arranged in expansion joint and bed course joint, basis with the concrete sedimentation tensile deformation of both sides, post-cast strip, can not rupture, it is to increase waterproof stagnant water effect; Meanwhile, when seepage water contains corrosion composition, stainless steel waterstop can play certain anticorrosive effect.
6, with pliability quality as back side strong and unyielding property waterproof, the face waterproof that meets water can be made up once the problem that lost efficacy: because of no adhesion between the waterproof roll in the face of meeting water and bed course, not closely connected, as long as a bit there is seepage, will spread gradually to whole waterproof roll scope, cause the face waterproof failure that meets water, now can remedy by the strong and unyielding property waterproof of back side.
7, the Sheet Steel Form in expansion joint adopts the steel plate of band opposing teeth assembled, for advanced sealing reserves, every the reinforcing mat that stretches out of water component, position of portalling, 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, its transversal stretching seam adopts the hollow structure of band support, can be out of shape when difference sedimentation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the advanced sealing pouring after settlement of sole plate of the present invention;
Fig. 2 is the arrangement of reinforcement schematic diagram of the advanced sealing pouring after settlement of sole plate of the present invention;
Fig. 3 is the schematic perspective view of Sheet Steel Form in Fig. 1;
Fig. 4 is the two-part partial schematic diagram of mutual splicing of pie graph 3 Sheet Steel Form;
Fig. 5 is the partial schematic diagram that Fig. 4 two portions are spliced into the Sheet Steel Form in band reserved steel bar hole.
In figure: 1-sole plate, 2-basis bed course, 3-post-cast strip, 4-fast-easy closing-up net, 5-waterproof roll, the advanced sealing of 6-is every water component, 7-stainless steel waterstop, 8-expansion joint, 9-sand-cement slurry screed-coat, 10-pliability quality, 11-Sheet Steel Form, 11-1-opposing teeth, 11-2-reinforced hole, 11-3 supporter, 12-sealing filleting thing.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Composition graphs 1 to Fig. 5, the advanced sealing pouring after settlement of sole plate of the present invention, comprise sole plate 1, be positioned at sole plate 1 after the post-cast strip 3 of pouring concrete indwelling place and be positioned at bottom, post-cast strip 3 advanced sealing every water component 6; Sole plate 1 and advanced sealing are equipped with waterproof roll 5 between water component 6 and basis bed course 2, and sole plate 1 lays fast-easy closing-up net 4 with boundary place, post-cast strip 3;
Advanced sealing every water component 6 be one-piece construction, square expansion joint 8 is had between its both sides, top and sole plate 1, the width at expansion joint 8 is not more than 40mm, there is Sheet Steel Form 11 two sides at expansion joint 8, Sheet Steel Form 11 is by with opposing teeth 11-1, can be spliced into the docking of the inversion L-type steel plate of reserved steel bar hole 11-2 to form, wherein transversal stretching seam is hollow state, it is not more than, by mutual spacing, the supporter 11-3 that the i shaped steel of 200mm makes to support, gap between reinforced hole 11-2 and reinforcing bar can be filled (not shown) with waterproof gasket cement, erect the sealing filleting thing 12 filled in expansion joint and be made up of waterproof gasket cement, expansion joint 8 is provided with �� shape stainless steel waterstop 7 with bed course 2 joint, basis, advanced sealing is every water component 6 and joint, post-cast strip 3 joints cement mortar screed-coat 9, brushing pliability quality 10 on sand-cement slurry screed-coat.
The construction of sole plate of the present invention advanced sealing pouring after settlement can be undertaken by the step of following order:
1, being positioned at 500-800mm place, both sides, post-cast strip, cutting downwards along 45 ��, digging the degree of depth is 300-500mm groove;
2, basis bed course is built by laying bricks or stones;
3, laying water-proof coiled material;
4, the reinforcing mat of advanced sealing every water component is pricked, what note protection indwelling stretches out reinforcing bar, indwelling expansion joint, erect to the high 200-400mm of seam, the width of seam is no more than 40mm (can select) according to practical situation, in the two sides at expansion joint, Sheet Steel Form is installed, install in the transversal stretching of hollow stitches and make supporter by i shaped steel, the spacing of supporter is not more than 200mm, in expansion joint, fill waterproof gasket cement erecting, to expansion joint and bed course joint, basis, �� shape stainless steel waterstop is installed erecting;
5, advanced sealing is built every water component;
6, when advanced sealing is after the concrete of water component reaches certain intensity, by sand-cement slurry, advanced sealing is carried out levelling every water component top, and brushing snappiness waterproofing slurry, arrange band supporting steel template.
7, the first pouring concrete sole plate reinforcing mat of colligation, and arrange with the fast-easy closing-up net of joint, post-cast strip;
8, build advanced sealing every the concrete of water 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 post-cast strip reaches the condition of building, post-cast strip is cleaned out, the expansive concrete of the high one-level label of pouring concrete more first than both sides sole plate is used to build, and carry out the concrete maintenance in post-cast strip, sole plate globality is not damaged.
Claims (4)
1. the advanced sealing pouring after settlement of sole plate, comprise sole plate (1), be positioned at sole plate (1) afterwards the post-cast strip (3) of pouring concrete indwelling place and be positioned at post-cast strip (3) bottom advanced sealing every water component (6); Sole plate (1) and advanced sealing are equipped with waterproof roll (5) between water component (6) and basis bed course (2), and sole plate (1) lays fast-easy closing-up net (4) with post-cast strip (3) boundary place; It is characterized in that:
Described advanced sealing every water component (6) be one-piece construction, square expansion joint (8) is had between its both sides, top and sole plate (1), there is Sheet Steel Form (11) two sides at expansion joint (8), wherein transversal stretching seam is hollow, erects and is filled with sealing filleting thing (12) in expansion joint; Expansion joint (8) is provided with stainless steel waterstop (7) with bed course (2) joint, basis; Advanced sealing is every water component (6) and post-cast strip (3) joint joints cement mortar screed-coat (9), and sand-cement slurry screed-coat (9) is brushing pliability quality (10) above.
2. the advanced sealing pouring after settlement of sole plate according to claim 1, it is characterized in that: described Sheet Steel Form (11) by two panels sliceable go out reinforced hole (11-2) inversion L-type steel plate form, the supporter (11-3) that the transversal stretching seam of hollow is made up of i shaped steel supports, and the spacing of supporter (11-3) is not more than 200mm.
3. the advanced sealing pouring after settlement of sole plate according to claim 1, it is characterised in that: described sealing filleting thing (12) erecting filling in expansion joint is waterproof gasket cement.
4. the advanced sealing pouring after settlement of sole plate according to claim 1, it is characterised in that: the width of described square expansion 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN104594388A CN104594388A (en) | 2015-05-06 |
| CN104594388B true CN104594388B (en) | 2016-06-01 |
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Families Citing this family (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 |
| CN111648411B (en) * | 2020-05-06 | 2023-06-09 | 上海建工二建集团有限公司 | Down-turned post-pouring belt support changing structure, construction method and post-pouring belt 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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| 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 |
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