CN111441467A - Basement outer wall post-cast strip pouring front-block anti-seepage component and construction method - Google Patents
Basement outer wall post-cast strip pouring front-block anti-seepage component and construction method Download PDFInfo
- Publication number
- CN111441467A CN111441467A CN202010280136.8A CN202010280136A CN111441467A CN 111441467 A CN111441467 A CN 111441467A CN 202010280136 A CN202010280136 A CN 202010280136A CN 111441467 A CN111441467 A CN 111441467A
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- Prior art keywords
- connecting sleeve
- post
- precast slab
- cast strip
- pouring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0007—Base structures; Cellars
-
- 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
Abstract
The invention discloses a basement outer wall post-cast strip pouring front-blocking anti-seepage component and a construction method, and belongs to the technical field of large underground space construction. The prefabricated slab comprises a plurality of prefabricated slabs, wherein water stop strips are embedded on the inner side surface and the bottom side surface of each prefabricated slab, an anti-overturning assembly is fixedly arranged on each prefabricated slab, and the prefabricated slabs are fixedly connected with reinforcing steel bars of a rear pouring belt through the anti-overturning assemblies. And fixedly connecting the rear pouring belt steel bar with the anti-tipping component. Effectively prevent groundwater from infiltrating into the post-cast strip and have enough lateral pressure resistance.
Description
Technical Field
The invention belongs to the technical field of large underground space construction, and particularly relates to a basement outer wall post-cast strip pouring front-block water seepage-proofing component and a construction method.
Background
The large basement exterior wall is provided with post-cast strips, the post-cast strips are poured after the building subsides stably, the required waiting time is too long, but the backfill around the foundation pit can be backfilled when the basement reaches the design strength after the construction is finished, and the post-cast strips are required to be subjected to enclosure and anti-seepage water treatment, clay bricks or other small-sized building blocks are adopted in the traditional method, the building blocks are located on a basic raft plate, the post-cast strips of the exterior wall are built to the top of the basement, and the 300 mm-wide externally-pasted water stop strips are pasted between the building blocks and the basement exterior wall. According to the method, the lower soil pressure is large, the side pressure resistance strength of the masonry structure is low, the lower masonry is easily pushed by the backfill soil to be contacted with the post-cast strip steel bars, meanwhile, gap ground water is generated between the masonry and the outer wall of the basement to permeate into the post-cast strip, and gaps exist among the masonry, so that the effects of water prevention and soil side pressure resistance cannot be achieved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the basement outer wall post-cast strip pouring front-block water seepage-proofing component and the construction method, which can effectively prevent underground water from permeating into the post-cast strip and have enough lateral pressure resistance.
In order to achieve the purpose, the invention adopts the following scheme:
the utility model provides a basement outer wall post-cast strip pours preceding block prevention of seepage water component, includes a plurality of prefabricated plate, every the medial surface of prefabricated plate, all inlay on the bottom surface side and be equipped with the waterstop, every all fixedly on the prefabricated plate be provided with the anti-tilt subassembly, the prefabricated plate is through the reinforcing bar fixed connection of anti-tilt subassembly with the post-cast strip.
Further, the anti-overturning assembly comprises a quick release structure, a connecting sleeve and a positioning rod, the quick release structure is arranged on the prefabricated plate, the connecting sleeve is arranged on the inner side of the prefabricated plate, the connecting sleeve is close to one end face and the quick release structure of the prefabricated plate, the positioning rod comprises a movable part and a fixed part, the movable part is arranged on the fixed part in a sliding mode, one end of the fixed part is connected with one end, away from the prefabricated plate, of the connecting sleeve in a threaded matching mode, hook parts used for connecting and then pouring steel bars are arranged on the movable part and the fixed part respectively, the hook parts are arranged oppositely, and under the action of the connecting sleeve, the hook parts of the movable part and the fixed part are fixed with the.
Furthermore, the quick release structure comprises an adjusting rod and a positioning groove, one end of the adjusting rod is fixedly connected with an adjusting handle, the other end of the adjusting rod penetrates through the prefabricated plate and is fixedly connected with a positioning block, the positioning groove is formed in one end face, close to the prefabricated plate, of the connecting sleeve, and the positioning groove is matched with the positioning block.
Furthermore, the diameter of one side of the connecting sleeve, which is close to the precast slab, is larger than that of one side of the connecting sleeve, which is far away from the precast slab.
Furthermore, a through hole with uniform upper and lower positions is reserved on each prefabricated plate, the through hole is located on the outer side of the water stop belt on the bottom side face, a uniform insertion rod is arranged in the through hole in a matched mode, and a pressing piece is connected to the insertion rod through threads.
A construction method for pouring a front block anti-seepage component on a post-cast strip of an outer wall of a basement comprises the following steps:
s1, when casting the post-cast strip, firstly, erecting the positioning rods on the corresponding post-cast strip steel bars, fixing one end of the connecting sleeve far away from the precast slab and one end of the fixed part far away from the hook part, and automatically fixing the hook part of the movable part and the hook part of the fixed part with the post-cast strip steel bars;
s2, quickly connecting the prefabricated plate with a connecting sleeve to realize fixation through the quick-release structure of the prefabricated plate;
s3, repeating the steps S1 and S2 until the precast slabs are stacked to the position of a casting belt after the precast slabs are adapted, inserting the plug connectors into the reserved through holes of the precast slabs, adjusting the pressing pieces to enable all the precast slabs to be in a pressing state, and smearing release agents on the inner side surfaces of the precast slabs and the surfaces of the connecting sleeves;
s4, pouring concrete, after the concrete reaches a certain strength, separating the pressing piece from the insertion rod, after the insertion rod is pulled out, quickly separating the pressing piece from the connecting sleeve through a quick release structure, separating each precast slab from the corresponding positioning rod, and separating the precast slabs from the connecting sleeve.
Compared with the prior art, the invention can obtain the following technical effects:
the prefabricated slab is provided with a prefabricated slab, water stops are arranged on the bottom side surface and the inner side surface of the prefabricated slab, an anti-overturning assembly is further arranged, the prefabricated slab is fixedly connected with a post-pouring strip steel bar through the anti-overturning assembly, the anti-overturning assembly specifically comprises a quick-release structure, a connecting sleeve and a positioning rod, the prefabricated slab is quickly connected with the connecting sleeve through the quick-release structure, the connecting sleeve is fixedly connected with a fixing part of the positioning rod through threads, the movable part is pushed at the same time, and the post-pouring strip steel bar is clamped through hook parts of. The prefabricated plates are also reserved with through holes with uniform upper and lower positions, the insertion rods are arranged in the through holes, and the clamping work among the prefabricated plates is realized by the pressing pieces on the insertion rods, so that the water seepage prevention performance of the prefabricated plates can be greatly improved, and the subsequent pouring quality of the post-pouring belt can be ensured.
Drawings
FIG. 1 is a diagram of the present invention in an installed condition;
FIG. 2 is a top view of the overall structure of the present invention;
fig. 3 is a schematic view showing the overall structure of the anti-rollover unit according to the present invention.
In the figure: 1. prefabricating a slab; 2. a water stop bar; 3. connecting sleeves; 4. positioning a rod; 41. a movable portion; 42. a fixed part; 43. a hook portion; 5. adjusting a rod; 6. positioning a groove; 7. a plug rod; 8. and a pressing member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in figures 1 and 3, a basement outer wall post-cast strip pours preceding block prevention of seepage water component, precast slab 1 that piles up including a plurality of from top to bottom in proper order, thickness are 80mm, and the both sides end of every precast slab 1's medial surface, bottom surface middle part all inlay and are equipped with waterstop 2, all fixedly on every precast slab 1 is provided with anti-overturning assembly, and precast slab 1 pours the reinforcing bar fixed connection of area after through anti-overturning assembly, and then improves its resistance to pressure and ability greatly, improves its and pours the area quality.
In a further preferable scheme in this embodiment, the anti-tipping assembly includes a quick release structure, a connecting sleeve 3 and a positioning rod 4, the quick release structure is disposed on the prefabricated slab 1, the connecting sleeve 3 is disposed on the inner side of the prefabricated slab 1, one end surface of the connecting sleeve 3, which is close to the prefabricated slab 1, is adapted to the quick release structure, the positioning rod 4 includes a movable portion 41 and a fixed portion 42, the movable portion 41 is slidably disposed on the fixed portion 42, one end of the fixed portion 42 is in threaded matching connection with one end of the connecting sleeve 3, which is far away from the prefabricated slab 1, hook portions 43 for connecting post-cast strip steel bars are disposed on the movable portion 41 and the fixed portion 42, the two hook portions 43 are disposed opposite to each other, the hook portions 43 of the movable portion 41 and the hook portions 43 of the fixed portion 42 are fixed with the post-cast strip steel bars under the action of the connecting sleeve 3, and in the, and then the two hook parts 43 are fixedly connected with the post-cast steel bar.
In this embodiment, it is further preferable that the quick release structure includes an adjusting rod 5 and a positioning slot 6, one end of the adjusting rod 5 is fixedly connected with an adjusting handle, the other end of the adjusting rod penetrates through the prefabricated plate 1 and is fixedly connected with a positioning block, the positioning slot 6 is arranged on an end surface of the connecting sleeve 3 close to the prefabricated plate 1, the positioning slot 6 is adapted to the positioning block, the adjusting rod 5 and the positioning block are enabled to rotate and are adapted to the positioning slot 6 by adjusting the adjusting handle, and a function and an effect of quick connection are achieved.
In this embodiment, it is further preferable that the diameter of the connecting sleeve 3 on the side close to the prefabricated slab 1 is larger than the diameter of the connecting sleeve 3 on the side far from the prefabricated slab 1, and the connecting sleeve 3 can be recycled by utilizing the difference in diameter between the two sides.
Example 2:
as shown in fig. 1, a scheme is further optimized on the basis of embodiment 1, a through hole with the same upper position and lower position is reserved on each prefabricated plate 1, the through hole is located on the outer side of the water stop strip 2 on the bottom side surface, the same insertion rod 7 is arranged in the through hole in a matching manner, the upper end of the insertion rod 7 is connected with a pressing piece 8 through threads, the bottom end of the insertion rod is fixedly connected with the ground, each prefabricated plate 1 is enabled to be in a pressing state through adjusting the pressing piece 8, and the water stop effect of the water stop strip 2 is further ensured.
Example 3:
a construction method for pouring a front block anti-seepage component on a post-cast strip of an outer wall of a basement comprises the following steps:
s1, when casting the post-cast strip, firstly, erecting the positioning rod 4 on the corresponding post-cast strip steel bar, fixing the end of the connecting sleeve 3 far away from the precast slab 1 and the end of the fixing part 42 far away from the hook part 43, and simultaneously fixing the hook part 43 of the movable part 41 and the hook part 43 of the fixing part 42 with the post-cast strip steel bar automatically;
s2, the prefabricated plate 1 is quickly connected with the connecting sleeve 3 through a quick-release structure to realize fixation;
s3, repeating the steps S1 and S2 until the precast slabs 1 are stacked to the position of a casting belt after adaptation, inserting the plug connectors into the reserved through holes of the precast slabs 1, adjusting the pressing pieces 8 to enable all the precast slabs 1 to be in a pressing state, and smearing release agents on the inner side surfaces of the precast slabs 1 and the surfaces of the connecting sleeves 3;
s4, pouring concrete, after the concrete reaches a certain strength, firstly separating the pressing piece 8 from the insertion rod 7, after the insertion rod 7 is pulled out, quickly separating the pressing piece from the connecting sleeve 3 through a quick release structure, separating each precast slab 1 from the corresponding positioning rod 4, and then separating from the connecting sleeve 3.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a basement outer wall post-cast strip pours preceding block prevention of seepage water component which characterized in that, includes a plurality of prefabricated plate (1), every the medial surface of prefabricated plate (1), all inlay on the bottom surface and be equipped with sealing rod (2), every all be fixed on prefabricated plate (1) and be provided with the subassembly of preventing overturning, prefabricated plate (1) is through the reinforcing bar fixed connection of the subassembly of preventing overturning and pouring the area after with.
2. The basement exterior wall post-cast strip casting front block anti-seepage component according to claim 1, wherein the anti-tipping component comprises a quick release structure, a connecting sleeve (3) and a positioning rod (4), the quick release structure is arranged on the precast slab (1), the connecting sleeve (3) is arranged on the inner side of the precast slab (1), one end surface of the connecting sleeve (3) close to the precast slab (1) is matched with the quick release structure, the positioning rod (4) comprises a movable part (41) and a fixed part (42), the movable part (41) is arranged on the fixed part (42) in a sliding manner, one end of the fixed part (42) is connected with one end of the connecting sleeve (3) far away from the precast slab (1) in a threaded matching manner, hook parts (43) for connecting a post-cast strip steel bar are arranged on the movable part (41) and the fixed part (42), and the two hook parts (43) are arranged oppositely, under the action of the connecting sleeve (3), the hook part (43) of the movable part (41) and the hook part (43) of the fixed part (42) are fixed with a post-cast steel bar.
3. The basement exterior wall post-cast strip pouring front block anti-seepage component according to claim 2, wherein the quick release structure comprises an adjusting rod (5) and a positioning groove (6), one end of the adjusting rod (5) is fixedly connected with an adjusting handle, the other end of the adjusting rod penetrates through the precast slab (1) and is fixedly connected with a positioning block, the positioning groove (6) is arranged on one end face, close to the precast slab (1), of the connecting sleeve (3), and the positioning groove (6) is matched with the positioning block.
4. The basement exterior wall post-cast strip pouring front block anti-seepage component according to claim 2, wherein the diameter of one side of the connecting sleeve (3) close to the precast slab (1) is larger than that of the other side of the connecting sleeve far away from the precast slab (1).
5. The basement exterior wall post-cast strip pouring front-sealing anti-seepage component according to claim 1, wherein a through hole with the same upper position and lower position is reserved on each precast slab (1), the through hole is located on the outer side of the water stop strip (2) on the bottom side surface, the same inserting rod (7) is arranged in the through hole in a matched mode, and a pressing piece (8) is connected to the inserting rod (7) through threads.
6. A construction method for pouring a front block anti-seepage component on a post-cast strip of an outer wall of a basement is characterized by comprising the following steps:
s1, when the post-pouring strip is poured, firstly, the positioning rods (4) are erected on the corresponding post-pouring strip steel bars, one end of the connecting sleeve (3) far away from the precast slab (1) and one end of the fixing part (42) far away from the hook part (43) are used for fixing, and meanwhile, the hook part (43) of the movable part (41) and the hook part (43) of the fixing part (42) are automatically fixed with the post-pouring strip steel bars;
s2, the precast slab (1) is quickly connected with the connecting sleeve (3) through a quick-release structure to realize fixation;
s3, repeating the steps S1 and S2 until the precast slabs (1) are stacked to the position of a casting belt after adaptation, inserting plug connectors into reserved through holes of the precast slabs (1), adjusting the pressing pieces (8) to enable all the precast slabs (1) to be in a pressing state, and smearing release agents on the inner side surfaces of the precast slabs (1) and the surfaces of the connecting sleeves (3);
s4, pouring concrete, after the concrete reaches a certain strength, firstly separating the pressing piece (8) from the insertion rod (7), after the insertion rod (7) is pulled out, quickly separating the pressing piece from the connecting sleeve (3) through a quick release structure, separating each precast slab (1) from the corresponding positioning rod (4), and then separating the precast slab from the connecting sleeve (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280136.8A CN111441467A (en) | 2020-04-10 | 2020-04-10 | Basement outer wall post-cast strip pouring front-block anti-seepage component and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280136.8A CN111441467A (en) | 2020-04-10 | 2020-04-10 | Basement outer wall post-cast strip pouring front-block anti-seepage component and construction method |
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| CN111441467A true CN111441467A (en) | 2020-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376713A (en) * | 2020-11-24 | 2021-02-19 | 上海宝冶集团有限公司 | Post-cast strip prevention of seepage water structure and be used for pouring mould of structure |
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| CN110144973A (en) * | 2019-06-05 | 2019-08-20 | 中天建设集团有限公司 | A kind of vertical post-cast strip PC safeguard structure of under ground portion and construction method |
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| US3741516A (en) * | 1972-03-31 | 1973-06-26 | W Rugger | Concrete form securing means |
| CN202925901U (en) * | 2012-11-15 | 2013-05-08 | 福建安厦新型建筑模板制造有限公司 | Corner fastener |
| CN103410173A (en) * | 2013-08-21 | 2013-11-27 | 天津二十冶建设有限公司 | Construction method for vertical post pouring belt plugging of underground structural outer wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112376713A (en) * | 2020-11-24 | 2021-02-19 | 上海宝冶集团有限公司 | Post-cast strip prevention of seepage water structure and be used for pouring mould of structure |
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