CN110863507A - Integrated prefabricated base component additionally provided with elevator, forming die and using method - Google Patents
Integrated prefabricated base component additionally provided with elevator, forming die and using method Download PDFInfo
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- CN110863507A CN110863507A CN201911237793.8A CN201911237793A CN110863507A CN 110863507 A CN110863507 A CN 110863507A CN 201911237793 A CN201911237793 A CN 201911237793A CN 110863507 A CN110863507 A CN 110863507A
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- concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to an integrally-installed elevator prefabricated foundation component, a forming die and a using method. The problem of the cycle length of the cast-in-place foundation is overcome, the problem that foundation pieces spliced on site by a plurality of foundations are unreliable is solved, and the foundation is convenient and flexible to manufacture and use.
Description
Technical Field
The invention relates to a concrete prefabricated base component, in particular to an integrated prefabricated base component additionally provided with an elevator, and further relates to a forming die and a using method of the component.
Background
The multi-storey residential building is a main housing of residents in China, and due to the technical and economic constraints in the past, the multi-storey residential building has more remaining problems. With the increasing of the aging of cities, residents not only can meet the requirements of convenient vehicles but also are eager to obtain convenient vertical vehicles. Therefore, the multi-storey houses are provided with elevators at the same time.
The foundation pit additionally provided with the elevator is a foundation of the whole elevator system, so in order to ensure the reliable quality of the foundation pit, the existing foundation pit additionally provided with the elevator mostly adopts a cast-in-place method, and the cast-in-place problem is that the construction period is long, maintenance is needed in the construction period, and special personnel are needed to watch the foundation pit, so that the method is not suitable for the situation of additionally provided with the elevator.
With the progress of ladder mounting technology, a type of prefabricated foundation of assembly type is developed at present, and the idea is to decompose the foundation, splice 2 or more foundations on site, and then pour commercial concrete for the second time to connect into a whole. The defects that the butt joint can not be completely matched during splicing, deviation is easy to generate, and cracks can occur at the butt joint position in the later period of the block structure; after secondary pouring, continuous construction can not be carried out under the condition that the commercial concrete does not reach the strength; meanwhile, the water seepage problem is easy to occur at the butt joint of the foundation. There are significant disadvantages.
Disclosure of Invention
The invention aims to solve the problem of long period of a cast-in-place foundation and the problem of unreliable foundation pieces spliced on site by a plurality of foundations, and provides an integrated prefabricated foundation component additionally provided with an elevator.
The invention relates to an elevator-added integral prefabricated foundation component which comprises a foundation raft, a concrete shear wall, concrete columns and foundation bolts, wherein the concrete shear wall, the foundation raft and the concrete columns are integrally pre-cast and are hoisted on a mattress pad layer on site for use, the foundation raft is positioned at the bottom of the elevator-added integral prefabricated foundation component, the concrete columns are separated from four corners of the foundation raft, the concrete shear wall is connected between the concrete columns to form a square shape, one ends of the foundation bolts are embedded into the concrete columns, the other ends of the foundation bolts are vertical to the top of the concrete columns, reinforcing steel bars are embedded in the foundation raft and the concrete shear wall, the reinforcing steel bars extend out of the periphery of the foundation raft, and meanwhile, the reinforcing steel bars extend out of the upper end of the concrete shear wall.
Further, the width of basic raft is less than the length of basic raft, the length of basic raft is greater than the length that the concrete column projection encloses. The purpose is that the width of basis raft is dwindled as far as possible, can suitably enlarge the length of basis raft to the width restriction of adaptation haulage vehicle, the convenience is transported. Preferably, the width of the basal rafts is less than or equal to 3.5 m.
Further, the thickness of the basic raft is larger than that of the concrete shear wall.
Furthermore, the reinforcing steel bars extending out of the periphery of the basic raft are butted with reinforcing steel bars in a concrete basic raft which is additionally manufactured on site so as to enlarge the area of the concrete basic raft.
Furthermore, the reinforcing steel bars extending out of the upper end of the concrete shear wall are butted with reinforcing steel bars in a vertical concrete anti-collision wall additionally manufactured on site and extend upwards.
Further, the reinforcing steel bars are reinforcing mesh.
Furthermore, the embedded end of the foundation bolt is bent by 90 degrees, and the bending length is 4 times of the diameter of the foundation bolt. The vertical height of the foundation bolt is 1000mm, and the top surface of the concrete upright post is exposed by 150 mm.
The invention also discloses a forming die for additionally installing the integral prefabricated foundation component of the elevator, which consists of steel dies surrounding the integrally installed prefabricated foundation component of the elevator, and comprises basic raft steel dies, upright post steel dies, shear wall outer steel dies, shear wall inner steel dies, connecting pieces are arranged among the steel dies, the relative positions of the steel dies are fixed, the forming die is also provided with a foundation bolt positioning plate for fixing and adjusting the position of a foundation bolt, the connecting pieces are structurally characterized in that flanges are arranged at corresponding positions on the outer sides of the adjacent steel dies, and bolt holes are arranged on the flanges; the foundation bolt positioning plate is positioned at the top of the stand column steel die, holes are distributed in the foundation bolt positioning plate according to the positions of the foundation bolts, and the foundation bolts penetrate into the holes.
The use method of the forming die for additionally installing the integral prefabricated base component of the elevator comprises the following steps:
laying steel bars, fixing foundation bolts, integrally and pre-pouring a foundation raft, a concrete shear wall and a concrete upright column by using concrete in a factory, and maintaining;
paving a mattress layer on a construction site, and hoisting the integral prefabricated base member additionally provided with the elevator on the mattress layer;
directly using or expanding the use of the raft according to the area of the basic raft required in practice, when the use needs to be expanded, laying a basic raft steel mould on site, laying reinforcing steel bars inside, butting exposed reinforcing steel bars on prefabricated basic components with the reinforcing steel bars laid on site, connecting the exposed reinforcing steel bars with the reinforcing steel bars laid on site by using concrete pouring to form a whole, and continuously carrying out other installation and debugging steps when carrying out expansion pouring and concrete curing;
hoisting and installing a steel structure and an elevator assembly on the additionally installed elevator integral type prefabricated foundation component;
and after the steel structure is hoisted, installing an anti-collision wall template on site according to the height of the anti-collision wall required by the actual needs, butting the internally laid steel bars with the exposed steel bars of the concrete shear wall in the prefabricated foundation component, connecting the steel bars into a whole by using concrete pouring, and continuously carrying out other installation and debugging steps when pouring operation and concrete curing are carried out.
Advantageous effects
1. The integrated prefabricated base component with the elevator is high in pertinence in design, the main bearing structure is integrally prefabricated, is maintained and manufactured in a factory, is manufactured in a standardized mode, can be quickly installed after being hoisted to a construction site, and saves a large amount of site maintenance time;
2. the prefabricated member has wide adaptability, and in consideration of the complexity of field conditions, in order to increase the adaptability of the member and reduce the size of the hoisted integral member, the reinforcing steel bars are exposed at the periphery of the basic raft and the upper part of the concrete shear wall, so that according to the field design condition, if the standardized prefabricated member of a factory can meet the requirements, the prefabricated member is not processed, if the ground condition is poor, the area of the basic raft is not enough, and the prefabricated member needs to be expanded, the periphery of the bottom raft only needs to be poured on the field, and the reinforcing steel bars can be conveniently connected, so that the bottom raft and the prefabricated member poured on the field are connected into a whole. And in the pouring process, because the main bearing structure is integrated, waiting is not needed, and continuous construction can be realized. When the concrete building wall needs to extend upwards, the concrete building wall can be conveniently connected with reinforcing steel bars and manufactured on site, and the concrete wall extending upwards of the shear wall is generally used for an anti-collision wall and is only an auxiliary component, so that the problem of influence on the construction period can be solved.
3. The structure of the invention is convenient to manufacture and use, the stress of the structure in the shape of a Chinese character 'hui' is uniform, the position of the embedded foundation bolt is reasonable, the bearing is high, the structure is integrally formed, the strength is good, and water leakage can be avoided.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a drawing showing the installation of a steel mold in the manufacturing method of the present invention
FIG. 3 schematically illustrates a foundation bolt
FIG. 4 is a cross-sectional view of a member of the present invention
Wherein, 1 is a basic raft; 2 is a concrete shear wall; 3, the concrete upright post 4 is a steel bar; 5 is a foundation bolt; 6, raft steel mould; 7 is a column steel mould; 8 is a shear wall outer steel mould; 9. is a steel mould in the shear wall; 10, a connecting piece; and 11, an anchor bolt positioning plate.
Detailed Description
Example 1
As shown in fig. 1, 2, 3 and 4, an elevator-added integral prefabricated foundation member comprises a foundation raft 1, a concrete shear wall 2, a concrete column 3 and anchor bolts 5, wherein the concrete shear wall 2, the foundation raft 1 and the concrete column 3 are integrally pre-cast and are hoisted on a mattress pad layer in situ for use, the foundation raft 1 is located at the bottom of the elevator-added integral prefabricated foundation member, the concrete column 3 is separated from four corners of the foundation raft 1, the concrete shear wall 2 is connected between the concrete columns 3 to form a square-back shape, one end of each anchor bolt 5 is embedded in the concrete column 3, the other end of each anchor bolt is vertical to the top of the concrete column 3, reinforcing steel bars 4 are embedded in the foundation raft 1 and the concrete shear wall 2, the reinforcing steel bars 4 extend out of the periphery of the foundation raft 1, and meanwhile, the reinforcing steel bars 4 extend out of the upper end of the concrete shear wall 2.
The width of basic raft 1 with the width that 3 projections of concrete column enclosed is unanimous, the length of basic raft 1 is greater than the length that the projection of concrete column enclosed. The arrangement can improve the bearing capacity and simultaneously reduce the occupied area as much as possible. The thickness of the foundation raft 1 is greater than that of the concrete shear wall 2.
The reinforcing steel bars 3 extending out of the periphery of the basic raft 1 are butted with reinforcing steel bars in concrete basic rafts additionally manufactured on site so as to enlarge the area of the concrete basic raft 1. The extension is not necessary and can be enlarged or maintained according to the specific situation of site construction.
And the reinforcing steel bars 3 extending out of the upper end of the concrete shear wall 2 are butted with reinforcing steel bars in a vertical concrete anti-collision wall additionally manufactured on site and extend upwards. The extended wall is generally used as a crash wall.
The reinforcing steel bars 3 are reinforcing mesh.
The embedded end of the foundation bolt 5 is bent by 90 degrees, and the bending length is 4 times of the diameter of the bolt of the foundation bolt 5. Bending can increase the firmness degree and prevent the bolt from coming off. The vertical height of foundation bolt 5 is 1000mm, exposes 3 top surfaces 150mm of concrete column. Therefore, enough strength can be ensured, and the exposed size is convenient for construction.
Example 2
A molding die for additionally installing an integral prefabricated foundation component of an elevator is manufactured, the molding die for additionally installing the integral prefabricated foundation component of the elevator is composed of steel dies enclosing the integral prefabricated foundation component of the elevator, the molding die comprises basic raft steel dies 6, upright post steel dies 7, shear wall outer steel dies 8 and shear wall inner steel dies 9, connecting pieces 10 are arranged among the steel dies and used for fixing the relative positions among the steel dies, the molding die is also provided with foundation bolt positioning plates 11 used for fixing and adjusting the positions of foundation bolts 5, and the connecting pieces 10 are structurally characterized in that flanges are arranged at the corresponding positions on the outer sides of the adjacent steel dies and provided with bolt holes; the foundation bolt positioning plate 11 is located at the top of the stand column steel die 7, holes are distributed in the foundation bolt positioning plate 11 according to the positions of the foundation bolts 5, and the foundation bolts 5 penetrate into the holes.
Example 3
The use method of the forming die for additionally installing the integral prefabricated base component of the elevator comprises the following steps:
and laying reinforcing steel bars, fixing foundation bolts, integrally and precasting a foundation raft, a concrete shear wall and a concrete upright column by using concrete in a factory, and maintaining.
And (3) paving a mattress layer on a construction site, and hoisting the integral prefabricated base member additionally provided with the elevator on the mattress layer.
The method is characterized in that the method comprises the following steps of directly using or expanding the area of a basic raft according to actual needs, laying basic raft steel moulds on site when the basic raft needs to be expanded for use, laying reinforcing steel bars inside the basic raft steel moulds, butting exposed reinforcing steel bars on prefabricated basic components with the reinforcing steel bars laid on site, connecting the exposed reinforcing steel bars with the reinforcing steel bars laid on site by using concrete pouring to form a whole, and continuously carrying out other installation and debugging steps when carrying out expansion pouring and concrete curing.
And hoisting and installing a steel structure and an elevator assembly on the additionally installed integral prefabricated elevator foundation component.
And after the steel structure is hoisted, installing an anti-collision wall template on site according to the height of the anti-collision wall required by the actual needs, butting the internally laid steel bars with the exposed steel bars of the concrete shear wall in the prefabricated foundation component, connecting the steel bars into a whole by using concrete pouring, and continuously carrying out other installation and debugging steps when pouring operation and concrete curing are carried out.
Claims (10)
1. An integrated prefabricated foundation component additionally provided with an elevator comprises a foundation raft, a concrete shear wall, concrete columns and foundation bolts, it is characterized in that the concrete shear wall, the foundation raft and the concrete upright post are integrally cast in advance and are hoisted on a mattress layer in site for use, the basic raft is positioned at the bottom of the integral prefabricated basic component with the elevator, the concrete upright posts are separated from four corners of the basic raft, the concrete shear wall is connected between the concrete upright posts to form a square-shaped structure, one end of each foundation bolt is embedded into the concrete upright posts, the other end of each foundation bolt is vertical to the tops of the concrete upright posts, pre-buried reinforcing bar in the basis raft with in the concrete shear force wall, the reinforcing bar stretches out basis raft is all around, simultaneously the reinforcing bar stretches out the upper end of concrete shear force wall.
2. The integrally prefabricated foundation member of claim 1, wherein said basic raft has a width less than a length of said basic raft, said length of said basic raft being greater than a length enclosed by said concrete column projections.
3. The retrofitted elevator monolithic prefabricated foundation member of claim 1, wherein said foundation rafts are thicker than said concrete shear wall.
4. The integrally prefabricated base member for the additional installation of the elevator as claimed in claim 1, wherein the reinforcing bars extending from the periphery of the basic raft are butted with reinforcing bars in a concrete basic raft additionally manufactured on site to enlarge the area of the concrete basic raft.
5. The integrally prefabricated foundation member for an elevator as claimed in claim 1 or 4, wherein the reinforcing bars protruding from the upper end of the concrete shear wall are butted against reinforcing bars in a vertical concrete crash wall separately fabricated on site.
6. The integrally prefabricated base member for an elevator according to claim 1, wherein said reinforcing bars are reinforcing mesh.
7. The integrally prefabricated foundation member for an elevator as claimed in claim 1, wherein the embedded end of the anchor bolt is bent at 90 ° and the bending length is 4 times the diameter of the anchor bolt.
8. The integrally prefabricated base member for an elevator as claimed in claim 1 or 7, wherein said anchor bolts have a vertical height of 1000mm and are exposed to the top surface of the concrete column by 150 mm.
9. A forming die for additionally installing an integral prefabricated foundation component of an elevator is used for manufacturing the forming die for additionally installing the integral prefabricated foundation component of the elevator according to any one of claims 1 to 8, and consists of steel dies surrounding the integral prefabricated foundation component of the elevator, and is characterized by comprising basic raft steel dies, upright post steel dies, shear wall outer steel dies, shear wall inner steel dies, connecting pieces arranged among the steel dies and used for fixing the relative positions among the steel dies, and foundation bolt positioning plates used for fixing and adjusting the positions of foundation bolts, wherein the connecting pieces are structurally characterized in that flanges are arranged at the corresponding positions on the outer sides of the adjacent steel dies and provided with bolt holes; the foundation bolt positioning plate is positioned at the top of the stand column steel die, holes are distributed in the foundation bolt positioning plate according to the positions of the foundation bolts, and the foundation bolts penetrate into the holes.
10. The use method of the forming die for adding the elevator integral type prefabricated base component as claimed in any one of claims 1 to 8 is characterized by comprising the following steps:
laying steel bars, fixing foundation bolts, integrally and pre-pouring a foundation raft, a concrete shear wall and a concrete upright column by using concrete in a factory, and maintaining;
paving a mattress layer on a construction site, and hoisting the integral prefabricated base member additionally provided with the elevator on the mattress layer;
directly using or expanding the use of the raft according to the area of the basic raft required in practice, when the use needs to be expanded, laying a basic raft steel mould on site, laying reinforcing steel bars inside, butting exposed reinforcing steel bars on prefabricated basic components with the reinforcing steel bars laid on site, connecting the exposed reinforcing steel bars with the reinforcing steel bars laid on site by using concrete pouring to form a whole, and continuously carrying out other installation and debugging steps when carrying out expansion pouring and concrete curing;
hoisting and installing a steel structure and an elevator assembly on the additionally installed elevator integral type prefabricated foundation component;
and after the steel structure is hoisted, installing an anti-collision wall template on site according to the height of the anti-collision wall required by the actual needs, butting the internally laid steel bars with the exposed steel bars of the concrete shear wall in the prefabricated foundation component, connecting the steel bars into a whole by using concrete pouring, and continuously carrying out other installation and debugging steps when pouring operation and concrete curing are carried out.
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CN201911237793.8A CN110863507A (en) | 2019-12-06 | 2019-12-06 | Integrated prefabricated base component additionally provided with elevator, forming die and using method |
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CN201911237793.8A CN110863507A (en) | 2019-12-06 | 2019-12-06 | Integrated prefabricated base component additionally provided with elevator, forming die and using method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111576432A (en) * | 2020-05-26 | 2020-08-25 | 山东省建筑科学研究院有限公司 | Prefabricated foundation pit additionally provided with elevator and construction method |
CN111706106A (en) * | 2020-05-25 | 2020-09-25 | 江苏省建筑工程集团有限公司 | Outdoor construction elevator foundation reinforcing apparatus |
CN113562574A (en) * | 2021-07-27 | 2021-10-29 | 广州建筑湾区智造科技有限公司 | Shear wall modularization full-prefabricated assembled elevator structure |
CN114941342A (en) * | 2022-05-26 | 2022-08-26 | 安徽民升井架制造有限公司 | Be convenient for install elevator assembled basis additional |
CN115125980A (en) * | 2022-07-26 | 2022-09-30 | 高松 | Mold for assembly type foundation device and molding process |
-
2019
- 2019-12-06 CN CN201911237793.8A patent/CN110863507A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111706106A (en) * | 2020-05-25 | 2020-09-25 | 江苏省建筑工程集团有限公司 | Outdoor construction elevator foundation reinforcing apparatus |
CN111576432A (en) * | 2020-05-26 | 2020-08-25 | 山东省建筑科学研究院有限公司 | Prefabricated foundation pit additionally provided with elevator and construction method |
CN113562574A (en) * | 2021-07-27 | 2021-10-29 | 广州建筑湾区智造科技有限公司 | Shear wall modularization full-prefabricated assembled elevator structure |
CN113562574B (en) * | 2021-07-27 | 2022-07-29 | 广州建筑湾区智造科技有限公司 | Shear wall modularization full-prefabricated assembled elevator structure |
CN114941342A (en) * | 2022-05-26 | 2022-08-26 | 安徽民升井架制造有限公司 | Be convenient for install elevator assembled basis additional |
CN115125980A (en) * | 2022-07-26 | 2022-09-30 | 高松 | Mold for assembly type foundation device and molding process |
CN115125980B (en) * | 2022-07-26 | 2023-09-26 | 高松 | Mold for assembled foundation device and molding process |
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