CN214245823U - Advance through structure of new and old structure girder on two sides of mid-partition wall - Google Patents
Advance through structure of new and old structure girder on two sides of mid-partition wall Download PDFInfo
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- CN214245823U CN214245823U CN202022986932.1U CN202022986932U CN214245823U CN 214245823 U CN214245823 U CN 214245823U CN 202022986932 U CN202022986932 U CN 202022986932U CN 214245823 U CN214245823 U CN 214245823U
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Abstract
The utility model discloses a structure of lining up in advance of new and old structure girder of mid-board both sides, including bottom plate and the mid-board of locating the soil layer top, the mid-board will first district and second district are cut apart into to the bottom plate top, be equipped with one deck or multilayer in the first district pour the floor earlier and support in pour the girder earlier of bottom of the floor earlier, be equipped with on the mid-board with pour a plurality of through holes that the girder corresponds earlier, be equipped with in the second district and pass the through hole and with correspond pour the girder after that the girder is connected earlier. The utility model discloses a link up the girder structure formation bearing structure of mid-board both sides in advance to reduce the installation and demolish interim constructional column and trade the manual work and the time consumption that prop, reduce construction cost, accelerate deep basal pit underground structure construction progress, favourable foundation ditch safety.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a new and old structure girder of mid-wall both sides link up structure in advance.
Background
In some underground structure construction processes, the underground structures located at both sides of the intermediate wall need to be connected. After the mid-board is demolishd, before underground structure plugged into, can form the structure of encorbelmenting, according to conventional method, need set up interim constructional column under the structure of encorbelmenting, later stage interim constructional column still need demolish. In the process of pouring the underground structure, if the support needs to be replaced according to a conventional method, the support replacing beam needs to be additionally arranged, and the support replacing beam and the adjacent support replacing belt need to be detached in the later period, so that the construction process is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a new old structure girder of mid-board both sides link up the structure in advance for deep basal pit underground structure construction progress.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a structure of lining up in advance of new and old structure girder of mid-board both sides, is including bottom plate and the mid-board of locating the soil layer top, the mid-board will first district and second district are cut apart into to the bottom plate top, be equipped with one deck or multilayer in the first district pour the floor earlier and support in pour the girder earlier of floor bottom earlier, be equipped with on the mid-board with pour a plurality of through holes that the girder corresponds earlier, be equipped with in the second district and pass the through hole and with correspond pour the girder after that the girder is connected in advance.
Optionally, a structural column and a temporary support column are connected between the floor slabs poured in advance and between the bottom plate and the floor slabs poured in advance, and the temporary support column is close to the intermediate wall.
Optionally, the intermediate wall includes a plurality of vertically arranged intermediate piles, and the through holes are formed in one or more of the intermediate piles.
Optionally, a temporary support beam transversely supported on the intermediate wall is arranged in the second area.
Optionally, the one end that the girder was pour earlier is close to the mid-board is equipped with and extends the muscle, pour the girder after include with extend the girder steel structure that the muscle is connected.
Optionally, a post-cast floor slab is arranged above the post-cast main beam in the second area, a secondary beam is arranged on the lower surface of the post-cast floor slab, and the distance between the secondary beam close to the intermediate wall and the intermediate wall is 150-300 mm.
Optionally, a full framing supported below the rear pouring main beam is arranged on the bottom plate in the second area.
The utility model discloses owing to adopt above-mentioned technical scheme, make it have following beneficial effect: the main beam structures penetrating through the two sides of the intermediate wall in advance form a supporting structure, so that labor and time consumption for installing and dismantling the temporary constructional column and replacing the support are reduced, construction cost is reduced, construction progress of the underground structure of the deep foundation pit is accelerated, and safety of the foundation pit is facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 shows the overall structure schematic diagram of the advanced through structure of the new and old structure girders on both sides of the intermediate wall.
Fig. 2 shows the structure schematic diagram of the new and old structure main beams on both sides of the intermediate wall in advance when the secondary beams in the structure are penetrated.
Fig. 3 shows a schematic view of the structure of the new and old structural girders in advance of the mid-wall in the utility model.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model discloses the structure of lining up in advance of new and old structure girder in intermediate wall both sides, including bottom plate 2 and the intermediate wall 7 of locating soil layer 1 top, first district A and second district B are split into with bottom plate 2 top to intermediate wall 7, be equipped with one deck or multilayer in the first district A and pour floor 6 earlier and support in pouring girder 5 earlier of floor 6 bottom earlier, be equipped with on the intermediate wall 7 with pour a plurality of through holes 8 that girder 5 corresponds earlier, be equipped with in the second district B and pass through hole 8 and pour girder 10 with the later of corresponding pouring girder 5 earlier and being connected.
Through pour girder 10 after and realize that advance of floor structure link up between first district A and the second district B to realize the effect of propping up in advance, the construction of floor in convenient follow-up second district B realizes that the structure in two districts plugs into. In addition, temporary support columns and support replacing structures are not required to be arranged in the second area B in the process, so that the steps of mounting and dismounting the temporary support columns and the support replacing structures are reduced, the labor and time cost during construction is reduced, the construction progress of the underground structure of the deep foundation pit is accelerated, and the safety of the foundation pit is facilitated.
The full framing 9 supported below the post-cast main beam 10 is arranged on the bottom plate 2 in the second area B, the pre-cast main beam 5 and the post-cast main beam 10 are communicated in advance, the purpose of support replacement is achieved, and an overhanging support system can be formed by combining with a scaffold.
Pour earlier between floor 6 and bottom plate 2 and be located the bottom pour earlier between floor 6 be connected with structural column 3 and temporary support post 4, temporary support post 4 is close to mid-board 7 setting, supports through temporary support post 4 and pours floor 6 earlier, the construction of floor 6 is pour earlier to the convenience.
The intermediate wall 7 comprises a plurality of intermediate wall piles 12 which are vertically arranged, the through holes 8 are formed in one or more intermediate wall piles 12, as shown in fig. 3, when the position, where the rear pouring main beam 10 penetrates through the intermediate wall 7, corresponds to one of the intermediate wall piles 12, the corresponding positions of the corresponding intermediate wall piles 12 are removed to form the through holes 8 through which the rear pouring main beam 10 penetrates, and when the position, where the rear pouring main beam 10 penetrates through the intermediate wall 7, corresponds to two of the intermediate wall piles 12, the corresponding positions of the corresponding two intermediate wall piles 12 are removed to form the through holes 8 through which the rear pouring main beam 10 penetrates. The size of the through hole 8 needs to be larger than that of the post-cast girder 10, and it needs to be ensured that when the post-cast girder 10 penetrates through the through hole 8, the distance between the periphery of the post-cast girder 10 and the side wall of the through hole 8 is not less than 300 mm.
And a temporary support beam 11 transversely supported on the intermediate wall 7 is arranged in the second zone B, wherein the intermediate wall 7 forms an enclosure structure of the underground structure foundation pit, and before the first zone A and the second zone B are connected, the transverse horizontal support of the enclosure structure of the foundation pit is ensured through the temporary support beam 11.
Pour girder 5 earlier and be close to the one end of mid-board 7 and be equipped with and prolong the muscle, pour girder 10 later and include with prolong the girder steel structure that the muscle is connected, and pour concrete on the girder steel structure, guarantee through steel structure that the effect of connection also guarantees the inherent structural strength who pours floor 13 later in follow-up second district B.
Referring to fig. 1 and 2, a post-cast floor slab 13 is arranged above the post-cast main beam 10 in the second area B, a secondary beam 7 is arranged on the lower surface of the post-cast floor slab 13, and the secondary beam 7 plays a role in transferring load, wherein the distance between the secondary beam 7 closest to the fender pile and the fender pile is 200 mm. An extending rib 15 is arranged on one side of the later poured floor slab 13 close to the intermediate wall 7, and the extending rib 15 is bent upwards to keep the overlapping length of the extending rib and the earlier poured floor slab 6. After the construction of the advance through structure is completed, the intermediate wall 7 is removed, and then reinforcing steel bars are installed in the area, located above the rear casting main beam 10, of the intermediate wall 7 and the area, where no floor slab is cast, of the rear casting main beam 10, and casting is performed to enable the previously cast floor slab 6 of the first area A and the subsequently cast floor slab 13 of the second area B to be connected.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the equivalent embodiment without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a structure of lining up in advance of new and old structure girder of mid-board both sides, its characterized in that, including bottom plate and the mid-board of locating the soil layer top, the mid-board will first district and second district are cut apart into to the bottom plate top, be equipped with one deck or multilayer in the first district pour the floor earlier and support in pour the girder earlier of floor bottom earlier, be equipped with on the mid-board with pour a plurality of through holes that the girder corresponds earlier, be equipped with in the second district and pass the through hole and with correspond pour the girder after that the girder is connected earlier.
2. The structure of advancing penetration of new and old structural main beams at both sides of an intermediate wall according to claim 1, wherein structural columns and temporary support columns are connected between the previously cast floor slabs and between the bottom plate and the previously cast floor slab at the bottom layer, and the temporary support columns are disposed adjacent to the intermediate wall.
3. The structure of advancing penetration of a main beam of a new or old structure on both sides of an intermediate wall according to claim 1, wherein the intermediate wall includes a plurality of intermediate piles vertically arranged, and the penetration holes are provided on one or more of the intermediate piles.
4. The structure of advancing the main beams of the new and old structures at both sides of the intermediate wall according to claim 1, wherein temporary support beams supported transversely on the intermediate wall are provided in the second zone.
5. The early penetration structure of the main beams of the new and old structures at both sides of the intermediate wall according to claim 1, wherein an extension rib is provided at one end of the early casting main beam near the intermediate wall, and the later casting main beam comprises a main beam steel bar structure connected with the extension rib.
6. The early penetration structure of the main beams of the new and old structures at both sides of the intermediate wall according to claim 1, wherein a post-cast floor is provided above the post-cast main beams in the second zone, a secondary beam is provided on the lower surface of the post-cast floor, and the distance between the secondary beam near the intermediate wall and the intermediate wall is 150mm to 300 mm.
7. The structure of claim 1, wherein the bottom plate in the second zone is provided with a full frame supported below the rear casting main beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986932.1U CN214245823U (en) | 2020-12-10 | 2020-12-10 | Advance through structure of new and old structure girder on two sides of mid-partition wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986932.1U CN214245823U (en) | 2020-12-10 | 2020-12-10 | Advance through structure of new and old structure girder on two sides of mid-partition wall |
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| CN214245823U true CN214245823U (en) | 2021-09-21 |
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| CN202022986932.1U Active CN214245823U (en) | 2020-12-10 | 2020-12-10 | Advance through structure of new and old structure girder on two sides of mid-partition wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982036A (en) * | 2021-10-26 | 2022-01-28 | 上海建工一建集团有限公司 | Construction method for structure penetration when frame column and mid-partition wall are overlapped |
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2020
- 2020-12-10 CN CN202022986932.1U patent/CN214245823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982036A (en) * | 2021-10-26 | 2022-01-28 | 上海建工一建集团有限公司 | Construction method for structure penetration when frame column and mid-partition wall are overlapped |
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