CN112609702B - Early-dismantling enclosure system and construction method thereof - Google Patents
Early-dismantling enclosure system and construction method thereof Download PDFInfo
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- CN112609702B CN112609702B CN202011387477.1A CN202011387477A CN112609702B CN 112609702 B CN112609702 B CN 112609702B CN 202011387477 A CN202011387477 A CN 202011387477A CN 112609702 B CN112609702 B CN 112609702B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to an early-dismantling enclosure system and a construction method thereof, wherein the early-dismantling enclosure system comprises: the supporting structure is arranged around the foundation pit in a surrounding mode; the separation structure is vertically arranged in the foundation pit, and two opposite ends of the separation structure are fixedly connected with the corresponding supporting structure so as to realize pit separation; the supporting beams are transversely fixed on one side of the separation structure, and the two opposite ends of each supporting beam are fixedly connected with the corresponding supporting structures; the diagonal supports are connected to the supporting structure and the diagonal beams of the supporting beams so that the diagonal beams are supported by the supporting beams after the partition structure is removed. The invention adds a support beam on one side of the separation structure, and utilizes the support beam to replace the separation structure to support the oblique beam. When the separation structure needs to be dismantled subsequently, the supporting beam supports the oblique beam, the oblique beam is not affected, and the integrity and the stability of the supporting structure can be still ensured. The invention can solve the problems that in the prior art, if the construction method pile is dismantled, the enclosure structure is influenced, and if the construction method pile is not dismantled, the main structure cannot be completed at one time.
Description
Technical Field
The invention relates to the field of building construction, in particular to an early-dismantling enclosure system and a construction method thereof.
Background
In the deep foundation pit construction, pit-by-pit excavation and pit-by-pit construction are required to ensure the safety of the foundation pit. Generally, a deep foundation pit is supported and protected, and pits are separated by using a protection engineering pile, so that a main structure is constructed by pit separation.
Referring to fig. 1, a schematic plan view of a containment system of the prior art is shown. Fig. 2 is an enlarged perspective view of a portion a of fig. 1. Fig. 3 is a longitudinal sectional view of fig. 2. Referring to fig. 1 to 3, a surrounding structure 10a is arranged around the foundation pit, the foundation pit is partitioned by using an integral body formed by a steel pipe pile 21a and a girt 22a connected with the steel pipe pile 21a, and the connection girt 22a and the surrounding structure 10a are supported by using an oblique beam 30 a. After the main structure 40a is constructed, the construction-method pile 20a needs to be removed to construct the other main structure 40 a. However, if the steel pipe pile 21a is removed, the inclined beam 30a loses support of one side, which affects the integrity and stability of the building envelope 10 a. However, if the steel pipe pile 21a is not removed, the main structure cannot be completed at one time, which increases the cost and prolongs the construction period.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an early-dismantling enclosure system and a construction method thereof, and solves the problems that in the prior art, if a pile in a construction method is dismantled, an enclosure structure is influenced, and if the pile in the construction method is not dismantled, a main structure cannot be completed at one time.
The technical scheme for realizing the purpose is as follows:
the invention provides an early-dismantling enclosure system, which comprises:
the supporting structure is arranged around the foundation pit in a surrounding mode;
the partition structure is vertically arranged in the foundation pit, and two opposite ends of the partition structure are fixedly connected with the corresponding supporting structure so as to realize pit separation;
the supporting beams are transversely fixed on one side of the separation structure, and the two opposite ends of each supporting beam are fixedly connected with the corresponding supporting structures; and
diagonal beams connected to the supporting structure and the support beams are diagonally supported so that the diagonal beams are supported by the support beams after the partition structure is removed.
The invention further improves the early-dismantling enclosure system, and the partition structure comprises:
the steel sheet pile is vertically arranged in the foundation pit, and two opposite ends of the steel sheet pile are fixedly connected with the corresponding supporting structures;
the enclosure beams are transversely connected to the two opposite sides of the steel sheet pile, the two opposite ends of each enclosure beam are fixedly connected with the corresponding supporting structures, and the supporting beams are connected with the corresponding enclosure beams.
The early-dismantling enclosure system is further improved in that the early-dismantling enclosure system further comprises an isolation layer clamped between the support beam and the enclosure beam.
The invention further improves the early-dismantling enclosure system in that the isolation layer is a template.
The invention also provides a construction method of the early-dismantling enclosure system, which comprises the following steps:
constructing a supporting structure surrounding the foundation pit around the foundation pit;
providing a separation structure, vertically arranging the separation structure in the foundation pit, and fixedly connecting two opposite ends of the separation structure with the corresponding supporting structures so as to realize pit separation;
constructing a supporting beam transversely fixed on the separation structure on one side of the separation structure, and fixedly connecting the two opposite ends of the supporting beam with the corresponding supporting structures; and
constructing an oblique beam connected to the supporting structure and the support beam to support the oblique beam by the support beam after the partition structure is removed.
The construction method of the early-dismantling enclosure system is further improved in that the provision of the partition structure comprises:
providing a steel sheet pile, vertically arranging the steel sheet pile in the foundation pit, and fixedly connecting two opposite ends of the steel sheet pile with the corresponding supporting structures;
constructing girts transversely connected to the steel sheet piles on two opposite sides of the steel sheet piles, fixedly connecting two opposite ends of each girt with the corresponding supporting structures, and connecting the supporting beams with the corresponding girts.
The construction method of the early-dismantling enclosure system is further improved in that an isolation layer is provided, and the isolation layer is attached to one side of the enclosure beam before the support beam is constructed, so that the isolation layer is clamped between the support beam and the enclosure beam after the support beam is constructed.
The construction method of the early-dismantling enclosure system is further improved in that the isolation layer is a template.
The early-dismantling enclosure system and the construction method thereof have the advantages that:
according to the invention, the supporting beam is additionally arranged on one side of the separation structure, and the supporting beam is used for supporting the inclined beam instead of the separation structure. When the separation structure needs to be dismantled subsequently, the support beam supports the inclined beam, and the inclined beam is not affected, so that the integrity and the stability of the inclined beam and the support structure can be still ensured. In the process of constructing the main body structure in the foundation pit, after the construction of the main body structure on one side of the separation structure is completed, the separation structure is detached, so that the main body structure on the other side of the separation structure can be continuously constructed, and the construction is convenient. The invention can solve the problems that in the prior art, if the construction method pile is dismantled, the enclosure structure is influenced, and if the construction method pile is not dismantled, the main structure cannot be completed at one time.
Drawings
Fig. 1 is a schematic plan view of a containment system in the prior art.
Fig. 2 is an enlarged perspective view of a portion a of fig. 1.
Fig. 3 is a longitudinal sectional view of fig. 2.
Fig. 4 is a schematic plan view of the early demolition containment system of the present invention.
Fig. 5 is an enlarged perspective view of a portion B of fig. 4.
Fig. 6 is a schematic view of the partition structure of fig. 5 removed.
Fig. 7 is a longitudinal sectional view of fig. 5.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 4, there is shown a schematic plan view of the early demolition containment system of fig. 4 in accordance with the present invention. Fig. 5 is an enlarged perspective view of a portion B of fig. 4. Fig. 6 is a schematic view of the partition structure of fig. 5 removed. Referring to fig. 4 to 6, the early-dismantling containment system of the present invention includes:
the supporting structure 10 is arranged around the foundation pit in an enclosing mode;
the partition structure 20 is vertically arranged in the foundation pit, and the two opposite ends of the partition structure 20 are fixedly connected with the corresponding supporting structures 10 so as to realize pit separation;
a support beam 30 transversely fixed on one side of the partition structure 20, and two opposite ends of the support beam 30 are fixedly connected with the corresponding support structures 10; and
the diagonal beam 40 connected to the supporting structure 10 and the support beam 30 is diagonally supported so that the diagonal beam 40 is supported by the support beam 30 after the partition structure 20 is removed.
The present invention adds a support beam 30 to one side of the partition structure 20, and supports the oblique beam 40 with the support beam 30 instead of the partition structure 20. When the partition structure 20 needs to be removed later, the support beams 30 are used for supporting the inclined beams 40, and the integrity and stability of the inclined beams 40 and the supporting structure 10 can still be ensured because the inclined beams 40 are not affected. In the process of constructing the main structure in the foundation pit, after the construction of the main structure on one side of the partition structure 20 is completed, the partition structure 20 is removed, so that the main structure on the other side of the partition structure 20 is continuously constructed, and the construction is convenient. The invention can solve the problems that in the prior art, if the construction method pile is dismantled, the enclosure structure is influenced, and if the construction method pile is not dismantled, the main structure cannot be completed at one time.
As a preferred embodiment of the early-dismantling containment system of the present invention, reference is made to fig. 7, which is a longitudinal sectional view of fig. 5. As shown in connection with fig. 7, the partition structure 20 includes:
the steel sheet pile 21 is vertically arranged in the foundation pit, and two opposite ends of the steel sheet pile 21 are fixedly connected with the corresponding supporting structures 10;
and the girts 22 are transversely connected to two opposite sides of the steel sheet piles 21, two opposite ends of each girt 22 are fixedly connected with the corresponding supporting structures 10, and the supporting beams 30 are connected with the corresponding girts 22.
In the present embodiment, the larsen steel sheet pile is used as the steel sheet pile 21. Welding on a construction site is not needed, so that the working procedures are reduced, and the efficiency is improved. Specifically, the Larsen steel sheet pile is a building foundation plate which is formed by carrying out continuous cold bending deformation on a steel strip and has a Z-shaped, U-shaped or other cross section and can be connected with each other through a locking notch. Compared with the traditional enclosure forms such as soil nail support and the like, the Larsen steel sheet pile has the advantages of high strength, light weight, simple construction machinery, convenient and quick construction, no need of maintenance, plug and play, good water stopping performance, good durability, recyclability, environmental protection, no pollution and the like.
As a preferred embodiment of the early-dismantling enclosure system of the present invention, it further comprises an isolation layer 50 sandwiched between the support beam 30 and the girt 22. By arranging the isolating layer 50 between the supporting beam 30 and the surrounding beam 22, the supporting beam 30 and the surrounding beam 22 can be conveniently separated when the separating structure 20 is dismounted, the supporting beam 30 is prevented from being damaged when the surrounding beam 22 is dismounted, the separating structure 20 is convenient to dismount, the integrity and the stability of the supporting structure 10 can be ensured,
as a preferred embodiment of the early-dismantling containment system of the present invention, the isolation layer 50 is a formwork. The side wall of the girt beam 22 is attached with the template, the template acts on the isolation supporting beam 30 and the girt beam 22 on one hand, and the template is used as the template for pouring the supporting beam 30 on the other hand, so that construction is convenient.
The invention also provides a construction method of the early-dismantling enclosure system, which comprises the following steps:
constructing a supporting structure 10 surrounding the foundation pit around the foundation pit;
providing a separation structure 20, vertically arranging the separation structure 20 in a foundation pit, and fixedly connecting two opposite ends of the separation structure 20 with corresponding supporting structures 10 so as to realize pit separation;
constructing a support beam 30 transversely fixed on the partition structure 20 at one side of the partition structure 20, and fixedly connecting two opposite ends of the support beam 30 with the corresponding supporting structures 10; and
the oblique beams 40 connected to the supporting structure 10 and the supporting beams 30 are constructed to support the oblique beams 40 by the supporting beams 30 after the partition structure 20 is removed.
Specifically, the supporting structure 10 is surrounded around the foundation pit, one end of the oblique beam 40 is fixedly connected to the supporting structure 10, and the other end of the oblique beam 40 is fixed to the supporting beam 30, so that the partition structure 20 and the supporting structure 10 are connected into an integral structure by the oblique beam 40, and the overall stability is improved.
As a preferred embodiment of the construction method of the early-dismantling enclosure system of the present invention, providing the partition structure 20 includes: providing a steel sheet pile 21, vertically arranging the steel sheet pile 21 in a foundation pit, and fixedly connecting two opposite ends of the steel sheet pile 21 with corresponding supporting structures 10; constructing girts 22 transversely connected to the steel sheet piles 21 on opposite sides of the steel sheet piles 21, fixedly connecting opposite ends of the girts 22 to the corresponding supporting structures 10, and connecting the supporting beams 30 to the corresponding girts 22.
Specifically, the girt 22 is formed by casting on two opposite sides of the top of the steel sheet pile 21, so that the steel sheet pile 21 and the girt 22 form an integral structure, and stability and firmness are improved.
As a preferred embodiment of the construction method of the early-dismantling enclosure system of the present invention, the method further includes providing an isolation layer 50, and attaching the isolation layer 50 to one side of the girt 22 before constructing the supporting beam 30, so that the isolation layer 50 is sandwiched between the supporting beam 30 and the girt 22 of the 30 after constructing the supporting beam 30.
The isolation layer 50 is attached to one side of the girt beam 22 and can be used as a template for pouring the supporting beam 30, so that the template supporting procedures are reduced, and the construction is convenient.
As a preferred embodiment of the construction method of the early-dismantling enclosure system of the present invention, the isolation layer 50 is a formwork. The side wall of the girt beam 22 is attached with the template, the template acts on the isolation supporting beam 30 and the girt beam 22 on one hand, and the template is used as the template for pouring the supporting beam 30 on the other hand, so that construction is convenient.
The early-dismantling enclosure system and the construction method thereof have the beneficial effects that:
the invention adds a support beam on one side of the separation structure, and utilizes the support beam to replace the separation structure to support the oblique beam. When the separation structure needs to be dismantled subsequently, the support beam supports the inclined beam, and the inclined beam is not affected, so that the integrity and the stability of the inclined beam and the support structure can be still ensured. In the process of constructing the main body structure in the foundation pit, after the construction of the main body structure on one side of the separation structure is completed, the separation structure is detached, so that the main body structure on the other side of the separation structure can be continuously constructed, and the construction is convenient. The invention can solve the problems that in the prior art, if the construction method pile is dismantled, the enclosure structure is influenced, and if the construction method pile is not dismantled, the main structure cannot be completed at one time.
While the present invention has been described in detail and with reference to the embodiments thereof as shown in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (4)
1. An early-dismantling containment system, comprising:
the supporting structure is arranged around the foundation pit in a surrounding mode;
the partition structure is vertically arranged in the foundation pit, and two opposite ends of the partition structure are fixedly connected with the corresponding supporting structure so as to realize pit separation;
the supporting beams are transversely fixed on one side of the separation structure, and the two opposite ends of each supporting beam are fixedly connected with the corresponding supporting structures; and
diagonally supporting a diagonal beam connected to the supporting structure and the support beam so as to support the diagonal beam by the support beam after the partition structure is removed,
the partition structure includes:
the steel sheet pile is vertically arranged in the foundation pit, and two opposite ends of the steel sheet pile are fixedly connected with the corresponding supporting structures;
the girt beams are transversely connected to two opposite sides of the steel sheet pile, two opposite ends of each girt beam are fixedly connected with the corresponding supporting structures, and the supporting beams are connected with the corresponding girt beams;
The isolation layer is clamped between the supporting beam and the girth beam.
2. An early break containment system as claimed in claim 1 wherein the insulation layer is a formwork.
3. A construction method for an early-dismantling enclosure system is characterized by comprising the following steps:
constructing a supporting structure surrounding the foundation pit around the foundation pit;
providing a separation structure, vertically arranging the separation structure in the foundation pit, and fixedly connecting two opposite ends of the separation structure with the corresponding supporting structures so as to realize pit separation;
constructing a supporting beam transversely fixed on the separation structure on one side of the separation structure, and fixedly connecting the two opposite ends of the supporting beam with the corresponding supporting structures; and
constructing an oblique beam connected to the supporting structure and the support beam to support the oblique beam by the support beam after the partition structure is removed,
providing a separation structure comprises:
providing a steel sheet pile, vertically arranging the steel sheet pile in the foundation pit, and fixedly connecting two opposite ends of the steel sheet pile with the corresponding supporting structures;
constructing girts transversely connected to the steel sheet piles on two opposite sides of the steel sheet piles, fixedly connecting two opposite ends of each girt with the corresponding supporting structures, and connecting the supporting beams with the corresponding girts;
Still including providing the isolation layer, before the construction the supporting beam, will the isolation layer pastes locate one side of enclosing the roof beam for after the construction the supporting beam the isolation layer clamp is located the supporting beam with between the enclosing.
4. The construction method of an early-dismantling enclosure system as set forth in claim 3, wherein said insulating layer is a formwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387477.1A CN112609702B (en) | 2020-12-01 | 2020-12-01 | Early-dismantling enclosure system and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387477.1A CN112609702B (en) | 2020-12-01 | 2020-12-01 | Early-dismantling enclosure system and construction method thereof |
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| Publication Number | Publication Date |
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| CN112609702A CN112609702A (en) | 2021-04-06 |
| CN112609702B true CN112609702B (en) | 2022-06-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1262362A (en) * | 1999-02-04 | 2000-08-09 | 天津一建建筑工程有限公司 | Horizontal supporting structure of prefabricated and assembled lattice type enclosed beam and its construction method |
| CN201074331Y (en) * | 2007-09-18 | 2008-06-18 | 天津一建建筑工程有限公司 | Horizontal supporting structure for deep-large foundation ditch annular girders |
| CN101294388A (en) * | 2007-04-27 | 2008-10-29 | 上海市第五建筑有限公司 | Construction method for support part to early dismount for super large area deep foundation pit |
| CN106284370A (en) * | 2016-08-20 | 2017-01-04 | 东通岩土科技（杭州）有限公司 | Building inner support list column joist system |
-
2020
- 2020-12-01 CN CN202011387477.1A patent/CN112609702B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1262362A (en) * | 1999-02-04 | 2000-08-09 | 天津一建建筑工程有限公司 | Horizontal supporting structure of prefabricated and assembled lattice type enclosed beam and its construction method |
| CN101294388A (en) * | 2007-04-27 | 2008-10-29 | 上海市第五建筑有限公司 | Construction method for support part to early dismount for super large area deep foundation pit |
| CN201074331Y (en) * | 2007-09-18 | 2008-06-18 | 天津一建建筑工程有限公司 | Horizontal supporting structure for deep-large foundation ditch annular girders |
| CN106284370A (en) * | 2016-08-20 | 2017-01-04 | 东通岩土科技（杭州）有限公司 | Building inner support list column joist system |
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| CN112609702A (en) | 2021-04-06 |
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