CN102704494A - Sequence excavation top ring beam sharing device of adjacent foundation pits - Google Patents
Sequence excavation top ring beam sharing device of adjacent foundation pits Download PDFInfo
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- CN102704494A CN102704494A CN201210206416XA CN201210206416A CN102704494A CN 102704494 A CN102704494 A CN 102704494A CN 201210206416X A CN201210206416X A CN 201210206416XA CN 201210206416 A CN201210206416 A CN 201210206416A CN 102704494 A CN102704494 A CN 102704494A
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- top beam
- reinforcing bar
- connector
- excavation pit
- road
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Abstract
A sequence excavation top ring beam sharing device of adjacent foundation pits is arranged between an earlier excavation pit first support and a later excavation pit first support, is provided with a top ring beam; the top ring beam further includes horizontally arranged top ring beam steel bars and a straight thread steel bar connector arranged inside the top ring beam; one end of the connector is anchored in the top ring beam through steel bars; and the head of the other end of the connector is sealed through a sealing cover, and the connector is connected with second steel bars during the construction of the later excavation pit first support. According to the invention, when the first concrete top ring beam is constructed at the earlier excavation pit first support, the connector for the second steel bars of the later excavation pit first support is pre-buried, and the second steel bars are connected with the connector during the construction of the later excavation pit first support, so that the repeated dismantlement of the top ring beam of a midboard is avoided.
Description
Technical field
The present invention relates to construction engineering technical field, relate in particular to a kind of adjacent foundation ditch and successively excavate top beam composite device and job practices.
Background technology
At present; The development that divides the hole construction along with modern deep big foundation pit according to surrounding enviroment and construction period; The engineering that adjacent foundation ditch successively excavates according to operating mode in foundation pit construction gets more and more; The common wall top beam of adjacent foundation ditch need carry out the top beam secondary construction of adjacent foundation ditch in the engineering after a foundation pit construction completion cuts in the past, caused common wall top beam to repeat construction, increased construction cost and construction period.
So to the problem that prior art exists, this case designer relies on the industry experience for many years of being engaged in, the active research improvement is so there has been the adjacent foundation ditch of invention successively to excavate top beam composite device and job practices and job practices.
Summary of the invention
The present invention be directed in the prior art; The common wall top beam of traditional adjacent foundation ditch need carry out the top beam secondary construction of adjacent foundation ditch after a foundation pit construction completion cuts; Cause common wall top beam to repeat construction, increasing defectives such as construction cost and construction period provides a kind of adjacent foundation ditch successively to excavate the top beam composite device.
The present invention's another purpose is in the prior art; The common wall top beam of traditional adjacent foundation ditch need carry out the top beam secondary construction of adjacent foundation ditch after a foundation pit construction completion cuts; Cause common wall top beam to repeat construction, increase the job practices that defectives such as construction cost and construction period provide a kind of adjacent foundation ditch successively to excavate.
In order to address the above problem, the present invention provides a kind of adjacent foundation ditch successively to excavate the top beam composite device, and said top beam composite device is arranged between first road support of said first excavation pit and the excavation pit first road support of said back; Said top beam composite device has top beam, and said top beam further comprises the top beam reinforcing bar of horizontally set, and is arranged on the straight thread reinforcing bar connector in the said top beam; The first road of said first excavation pit supports and comprises first reinforcing bar, and said first reinforcing bar, one end requires to be arranged in the said top beam according to grappling; The first road of excavation pit, said back supports and comprises second reinforcing bar, and said second reinforcing bar, one end is connected with said connector; Said connector one end is anchored in the said top beam through reinforcing bar, and the said connector other end adopts the seal cover end socket, and when the excavation pit head road support of said back is constructed, is connected with said second reinforcing bar.
Optional, the position of said connector is provided with according to second reinforcing bar position that excavation pit first road in back supports.
For realizing another purpose of the present invention, the job practices that the present invention provides a kind of adjacent foundation ditch successively to excavate, wherein, said job practices comprises:
Execution in step S1: formerly the first road of excavation pit supports when constructing mid-board ground wall bleeding part concrete chisel removal;
Execution in step S2: place the top beam reinforcing bar of said top beam, first reinforcing bar that the first road of first excavation pit is supported requires to be arranged in the said top beam according to anchoring;
Execution in step S3: the second reinforcing bar position setting according to excavation pit first road in back supports is provided with straight thread reinforcing bar connector in said top beam;
Execution in step S4: when treating back excavation pit first road support 3 constructions said connector position topping is chiseled, taken off the seal cover end socket, second reinforcing bar that the first road of excavation, said back is supported is connected with said connector.
Optional, said connector is embedded in the said top beam when building.
In sum; When the present invention constructs first road concrete top beam through excavation pit first road support formerly; The connector of second reinforcing bar that the first road of excavation pit, pre-buried back supports; Said second reinforcing bar connected through connector when excavation pit head road support was constructed in the back, and then had avoided the dismounting that repeats of mid-board top beam to construct.
Description of drawings
The sectional structure sketch map that successively excavates the top beam composite device for the adjacent foundation ditch of the present invention shown in Figure 1;
The job practices flow chart that successively excavates for the adjacent foundation ditch of the present invention shown in Figure 2.
The specific embodiment
By the technology contents, the structural feature that specify the invention, reached purpose and effect, will combine embodiment and conjunction with figs. to specify below.
See also Fig. 1, the structural representation that successively excavates the top beam composite device for the adjacent foundation ditch of the present invention shown in Figure 1.Said top beam composite device 1 is arranged on the first road support 2 of said first excavation pit and the first road of excavation pit, said back supports between 3.Particularly, said top beam composite device 1 has top beam 10, and said top beam 10 further comprises the top beam reinforcing bar 11 of horizontally set, and is arranged on the straight thread reinforcing bar connector 12 in the said top beam 10.The first road of said first excavation pit supports 2 and comprises first reinforcing bar 20.Said first reinforcing bar, 20 1 ends require to be arranged in the said top beam 10 according to grappling.The first road of excavation pit, said back supports 3 and comprises second reinforcing bar (not shown).Said second reinforcing bar, one end is connected with said connector 12.Said connector 12 1 ends are anchored in the said top beam 10 through reinforcing bar 121, and said connector 12 other ends adopt seal cover 122 end sockets, and when said back excavation pit head road support 3 is constructed, are connected with said second reinforcing bar.
Fig. 2 be please continue to consult, and Fig. 1, the job practices flow chart that successively excavates for adjacent foundation ditch shown in Figure 2 combined to consult.The job practices that said adjacent foundation ditch successively excavates may further comprise the steps:
Execution in step S1: when formerly the first road of excavation pit supports 2 constructions with mid-board ground wall bleeding part concrete chisel removal;
Execution in step S2: place the top beam reinforcing bar 11 of said top beam 10, the first road of first excavation pit is supported 2 first reinforcing bar 20 and require to be arranged in the said top beam 10 according to anchoring.
Execution in step S3: support 3 the second reinforcing bar position setting according to the first road of back excavation pit, straight thread reinforcing bar connector 12 is set in said top beam 10.Wherein, an end connecting reinforcement 121 anchorings of said connector 12 are gone in the said top beam 10; The other end of said connector 12 is with seal cover 122 end sockets.Said connector 12 is embedded in the said top beam 10 when building.
Execution in step S4: when excavation pit head supports 3 constructions in the road after treating said connector 12 position toppings are chiseled, taken off seal cover 122 end sockets, second reinforcing bar that said back is excavated first road support 3 is connected with said connector 12.
When the present invention constructs first road concrete top beam through excavation pit first road support formerly 2; The connector 12 of second reinforcing bar of pre-buried back excavation pit first road support 3; Said second reinforcing bar connected through connector 12 when excavation pit head road support 3 was constructed in the back, and then had avoided the dismounting that repeats of mid-board top beam to construct.
In sum; When the present invention constructs first road concrete top beam through excavation pit first road support formerly; The connector of second reinforcing bar that the first road of excavation pit, pre-buried back supports; Said second reinforcing bar connected through connector when excavation pit head road support was constructed in the back, and then had avoided the dismounting that repeats of mid-board top beam to construct.
Those skilled in the art all should be appreciated that, under the situation that does not break away from the spirit or scope of the present invention, can carry out various modifications and modification to the present invention.Thereby, if when any modification or modification fall in the protection domain of appended claims and equivalent, think that the present invention contains these modifications and modification.
Claims (4)
1. an adjacent foundation ditch successively excavates the top beam composite device, it is characterized in that, said top beam composite device is arranged between first road support of said first excavation pit and the excavation pit first road support of said back; Said top beam composite device has top beam, and said top beam further comprises the top beam reinforcing bar of horizontally set, and is arranged on the straight thread reinforcing bar connector in the said top beam; The first road of said first excavation pit supports and comprises first reinforcing bar, and said first reinforcing bar, one end requires to be arranged in the said top beam according to grappling; The first road of excavation pit, said back supports and comprises second reinforcing bar, and said second reinforcing bar, one end is connected with said connector; Said connector one end is anchored in the said top beam through reinforcing bar, and the said connector other end adopts the seal cover end socket, and when the excavation pit head road support of said back is constructed, is connected with said second reinforcing bar.
2. adjacent foundation ditch as claimed in claim 1 successively excavates the top beam composite device, it is characterized in that, the position of said connector is provided with according to second reinforcing bar position that excavation pit first road in back supports.
3. the job practices that adjacent foundation ditch as claimed in claim 1 successively excavates is characterized in that, said job practices comprises:
Execution in step S1: formerly the first road of excavation pit supports when constructing mid-board ground wall bleeding part concrete chisel removal;
Execution in step S2: place the top beam reinforcing bar of said top beam, first reinforcing bar that the first road of first excavation pit is supported requires to be arranged in the said top beam according to anchoring;
Execution in step S3: the second reinforcing bar position setting according to excavation pit first road in back supports is provided with straight thread reinforcing bar connector in said top beam;
Execution in step S4: when treating back excavation pit first road support 3 constructions said connector position topping is chiseled, taken off the seal cover end socket, second reinforcing bar that the first road of excavation, said back is supported is connected with said connector.
4. adjacent foundation ditch as claimed in claim 3 successively excavates top beam composite device and job practices, it is characterized in that, said connector is embedded in the said top beam when building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206416.XA CN102704494B (en) | 2012-06-20 | 2012-06-20 | Sequence excavation top ring beam sharing device of adjacent foundation pits and its constructing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206416.XA CN102704494B (en) | 2012-06-20 | 2012-06-20 | Sequence excavation top ring beam sharing device of adjacent foundation pits and its constructing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102704494A true CN102704494A (en) | 2012-10-03 |
| CN102704494B CN102704494B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210206416.XA Active CN102704494B (en) | 2012-06-20 | 2012-06-20 | Sequence excavation top ring beam sharing device of adjacent foundation pits and its constructing method |
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| Country | Link |
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| CN (1) | CN102704494B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741716A (en) * | 2013-12-30 | 2014-04-23 | 上海建工二建集团有限公司 | Method for foundation pit connecting channel construction under semi-reverse construction method and connecting auxiliary structure |
| CN104264685A (en) * | 2014-09-28 | 2015-01-07 | 上海建工七建集团有限公司 | Construction method for mid-partition wall area structure closure |
| CN115142469A (en) * | 2022-07-13 | 2022-10-04 | 上海建工四建集团有限公司 | Connecting method and structure of horizontal stressed member and top ring beam |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830264B1 (en) * | 1978-07-10 | 1979-10-04 | Bilfinger Berger Bau | Process for the production of a self-supporting concrete wall to be brought directly into the subsoil in alignment with an adjacent building |
| CN102465534A (en) * | 2010-11-11 | 2012-05-23 | 上海市第五建筑有限公司 | Construction method for adjacent double ditches |
| CN202767087U (en) * | 2012-06-20 | 2013-03-06 | 上海建工二建集团有限公司 | Top ring beam sharing device for sequential excavation of adjacent foundation pits |
-
2012
- 2012-06-20 CN CN201210206416.XA patent/CN102704494B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830264B1 (en) * | 1978-07-10 | 1979-10-04 | Bilfinger Berger Bau | Process for the production of a self-supporting concrete wall to be brought directly into the subsoil in alignment with an adjacent building |
| CN102465534A (en) * | 2010-11-11 | 2012-05-23 | 上海市第五建筑有限公司 | Construction method for adjacent double ditches |
| CN202767087U (en) * | 2012-06-20 | 2013-03-06 | 上海建工二建集团有限公司 | Top ring beam sharing device for sequential excavation of adjacent foundation pits |
Non-Patent Citations (2)
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| 戴志杰等: "地铁一号线上海南站站改建工程相邻基坑开挖施工技术", 《建筑施工》 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741716A (en) * | 2013-12-30 | 2014-04-23 | 上海建工二建集团有限公司 | Method for foundation pit connecting channel construction under semi-reverse construction method and connecting auxiliary structure |
| CN103741716B (en) * | 2013-12-30 | 2016-02-10 | 上海建工二建集团有限公司 | Under semi-inverse method between foundation ditch communication channel construction method and be communicated with supplementary structure |
| CN104264685A (en) * | 2014-09-28 | 2015-01-07 | 上海建工七建集团有限公司 | Construction method for mid-partition wall area structure closure |
| CN104264685B (en) * | 2014-09-28 | 2016-08-24 | 上海建工七建集团有限公司 | The construction method that a kind of mid-board regional structure is closed up |
| CN115142469A (en) * | 2022-07-13 | 2022-10-04 | 上海建工四建集团有限公司 | Connecting method and structure of horizontal stressed member and top ring beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102704494B (en) | 2014-08-27 |
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Inventor after: Fan Zhuoye Inventor after: Mao Anji Inventor after: Cao Wei Inventor after: Jiang Chunhui Inventor before: Fan Zhuoye Inventor before: Cao Wei Inventor before: Jiang Chunhui |
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Free format text: CORRECT: INVENTOR; FROM: FAN ZHUOYE CAO WEI JIANG CHUNHUI TO: FAN ZHUOYE MAO ANJI CAO WEI JIANG CHUNHUI |