CN101718100A - Underground complex integrally co-constructed implementation design method - Google Patents
Underground complex integrally co-constructed implementation design method Download PDFInfo
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- CN101718100A CN101718100A CN200910198548A CN200910198548A CN101718100A CN 101718100 A CN101718100 A CN 101718100A CN 200910198548 A CN200910198548 A CN 200910198548A CN 200910198548 A CN200910198548 A CN 200910198548A CN 101718100 A CN101718100 A CN 101718100A
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Abstract
The invention discloses an underground complex integrally co-constructed implementation design method. A co-constructed mode of the invention is adopted for the construction of a basement and a subway station of a development lot. The method comprises the following steps of: separately constructing end wells at both ends of a subway so as to meet the run-through requirement of a running tunnel, and meanwhile, developing a pile foundation and an enclosing structure of the business development lot; and after the end well structures of the subway station are finished, carrying out integral excavation on a foundation pit of a standard section of the basement and the subway station of the development lot. In the design method, the construction period requirements of the basement and the subway station of the business development lot are researched, and then foundation pit regions are reasonably designed; and a corresponding enclosing support design measure is adopted, and on the premise of guaranteeing the engineering quality and a construction period, the engineering construction cost and the development period are maximally saved.
Description
Technical field
The invention belongs to technical field of building construction, relate to the method for designing that a kind of foundation ditch subregion is prepared, implemented, the integrated enforcement method for designing of building together of particularly a kind of underground synthesis.
Background technology
A large amount of exploitations and development of urban rail traffic along with urban underground space are provided with the subway station in the business development plot, adopt the pattern of building together to build, and become a kind of development trend.For guaranteeing to develop plot underground space maximum using, Technological Economy the best, the station often is arranged on below bottom of the reservior, the ground plate in exploitation plot.Present prior art, the subway station foundation ditch that general first construction and excavation is darker, treat that the station civil works is finished after, excavate exploitation plot, both sides, station again.Time phasing is finished on schedule though can guarantee the station like this, and structure is all finished and could be excavated because exploitation plot foundation ditch need be awaited a subway, and the whole duration of therefore underground synthesis is long, influences the plot exploitation and uses; In addition, the subway standard paragraphs foundation ditch of construction also needs from ground to the end, hole independent space enclosing structure and support system to be set earlier, not only influence the duration, and construction cost increases; Therefore adopt traditional implementation method to be difficult to reach the effect of building together, the Technological Economy of plot exploitation is relatively poor.
Summary of the invention
The present invention provides and a kind ofly can satisfy plot exploitation in the underground synthesis and build together with the subway station and save the duration, reduce the underground complex integrally co-constructed implementation design method of cost, to overcome the above-mentioned defective that conventional art exists.
The technical scheme of technical solution problem of the present invention is as follows:
A kind of underground complex integrally co-constructed implementation design method, the employing pattern of building together is carried out the construction of plot exploitation and subway station, it is characterized in that the end well at the subway two ends that comprise the steps: to construct at first separately, the pile foundation and the space enclosing structure of plot exploitation in the underground synthesis of constructing simultaneously; After treating that subway station end well structure is finished, develop plot and subway station standard paragraphs foundation ditch one excavation when advancing shield tunnel.Prepare by this design, carry out corresponding going along with sb. to guard him and support the excavation design, to satisfy the requirement of building together.
Further, with the lower part space enclosing structure and the support of subway standard paragraphs are set, can save the subway of top and go along with sb. to guard him and support at exploitation plot base plate.
The invention process method for designing is by the plot exploitation that is positioned at underground synthesis was studied with the node duration of subway station, rationally prepare the foundation ditch subregion then, adopt the supported design technology of going along with sb. to guard him accordingly, guaranteeing under the prerequisite of workmanship, saving duration and maximization saving construction costs.
The present invention compares with traditional implementation method, and the plot exploitation foundation ditch that the is positioned at underground synthesis structure that do not need to await a subway is all finished just and excavated; And subway standard paragraphs foundation ditch does not need from ground to the end, hole independent space enclosing structure and support system to be set yet, and space enclosing structure and the support that method for designing only needs to be provided with hypomere at exploitation plot base plate the subway standard paragraphs implemented in building together of existing invention.Whole excavation is not only saved the duration greatly, is saved cost; Simultaneously, return the stage of building at exploitation ground block structure, can with station structure upwards construction simultaneously, thereby avoid causing staying problems such as structural weak that constuction joint brings and seepage treatment because of the teeming floor in the enclosure wall both sides.
Underground complex integrally co-constructed implementation design method of the present invention, Technological Economy is remarkable, for the urban underground space exploitation provides example, has higher popularization and application values.
Description of drawings
Fig. 1 is that one embodiment of the invention foundation ditch subregion is prepared plan view;
Fig. 2 is that Fig. 1 embodiment adopts the subway standard paragraphs of the invention process method foundation ditch sectional drawing of building together;
Fig. 3 is that Fig. 1 embodiment adopts the subway standard paragraphs of the traditional implementation method foundation ditch sectional drawing of building together;
Description of reference numerals
1, commercial plot enclosure wall 2, support
3, interim plate support 4, subway station enclosure wall
The specific embodiment
The present invention is described further below in conjunction with drawings and Examples.
Fig. 1 prepares plan view for the present invention's one construction embodiment foundation ditch subregion, and as shown in the figure, the subway station will be developed the big foundation ditch in plot and is divided into two by oblique the passing through of diagonal in exploitation plot.By adopting the integrated enforcement job practices of building together of underground synthesis, preparing the construction subregion is three foundation ditches, and wherein the A district is zone, business development plot, and the B district is subway end well zone, subway standard paragraphs zone, C position.
As illustrated in fig. 1 and 2, according to subway station and shield-tunneling construction requirement, the branch second-stage excavation is prepared in the foundation ditch design;
The excavation of foundation pit order is as follows by stages:
(1) first phase excavation B district, the end well zone at the subway two ends of promptly constructing at first separately, the pile foundation and the space enclosing structure in the plot of construction exploitation simultaneously;
(2) second-stage excavation A, C district, promptly foundation ditch carries out the north and south heavy excavation simultaneously.Excavate the station standard paragraphs again after big foundation ditch is finished bed course, upwards whole returning built, and finishes south, station, the three layers of basement structure in both sides, north and station standard paragraphs structure.
The station is gone along with sb. to guard him to support and is adopted design support of φ 609mm steel and concrete support, and end well B district, station establishes seven roads and supports, and standard paragraphs C district, station establishes six roads and supports, southern, Beijing University foundation ditch A district employing four road concrete supports 2; Station standard paragraphs foundation ditch does not need from ground to the end, hole independent space enclosing structure and support system to be set, and the space enclosing structure and the support of subway standard paragraphs only are set with the lower part at exploitation plot base plate.
Build together shown in the foundation ditch sectional drawing as Fig. 2 subway standard paragraphs, adopt open cut to construct to the exploitation plot along the practice, successively excavate the soil body and construction support successively, after at the bottom of excavating the plot foundation ditch, limit construction plot foundation ditch bed course and base plate, subway station standard paragraph deep foundation ditch is excavated on the limit downwards, the back is returned and is built station base plate, side wall on earth, fall dark section top board and effectively be connected with the plot base plate of construction is built plot and each floor plate of subway station then, thereby is saved duration and cost to last time then.
For the construction example of building together among Fig. 1, the foundation ditch size in exploitation plot: long * wide * dark=192 meters * 200 meters * 17.5 meters, subway station foundation ditch size: long * wide * dark=216 meters * 26 meters * 24.7 meters.
At first from the construction period relatively: adopt conventional method to implement, the subway station standard paragraphs is finished from the excavation of foundation pit to the structure, and the F3/B3 station at least must 8 months, underground four layers of station at least 10 months, so, total duration in exploitation plot postpones corresponding.If the station is positioned at plot central authorities, consider that so the foundation ditch on both sides, station is difficult to symmetry, balanced unloading and support synchronously, be protection station safety, the plot of both sides will need the time phasing excavation, and the plot duration will double.And employing underground complex integrally co-constructed implementation design method of the present invention designs and implements, and can save the duration more than 1 year at least.
Secondly relatively from construction costs:
(1), adopt conventional method to construct, as shown in Figure 3, the subway station standard paragraphs will begin down to be provided with space enclosing structure and support from ground, with the F3/B3 station is example, exploitation plot excavation of foundation pit degree of depth 17m, 1000 thick subterranean wall are adopted with the subway enclosure wall 4 on top in the exploitation plot, and the every linear meter(lin.m.) cost of subterranean wall is longitudinally along the station: ten thousand yuan of 17 * 2 * 1.0 * 2200=7.48; The exploitation plot vertically is provided with 5 road Φ, 609 * 16 steel pipes with the subway foundation pit on top and supports, and 3 meters of support level spacings, 20 meters of station width support every linear meter(lin.m.) cost longitudinally along the station and be: ten thousand yuan of (5 * 20 * 0.23 * 2500)/3=1.92.Go along with sb. to guard him and support 9.4 ten thousand yuan of costs.
(2), adopt conventional method to construct; in the foundation ditch process of excavation exploitation plot; also need the station of having built up is protected; strengthening measure is set; as: the both sides, station increase the ground stabilization measure to reduce the lateral displacement at station, Force transmission parts is set in the body AT STATION evenly is delivered on the station structure body with the support force with the plot foundation ditch.If the both sides, station adopt 6 meters wide, 10 meters dark cement earth piles to reinforce, the every linear meter(lin.m.) cost of ground stabilization longitudinally is along the station: ten thousand yuan of 8 * 10 * 2 * 500=8; Return and to build the stage, the position also need be provided with 300 thick force transmitting boards AT STATION, supposes the minimum three ply board that is, then along the station longitudinally the every linear meter(lin.m.) cost of force transmitting board be: ten thousand yuan of 0.3 * 20 * 3 * 1400=2.52.
To sum up, along the subway station direction, every linear meter(lin.m.) increases by ten thousand yuan of cost 7.48+1.92+8+2.52=19.92.
Therefore adopt underground complex integrally co-constructed implementation design method of the present invention, the subway station standard paragraphs excavates with exploitation plot foundation ditch, has both satisfied the subway node of laying a railway track, and has also saved the plot exploitation duration simultaneously greatly, and has saved construction costs.With the station standard paragraphs that is positioned at 100 meters long of underground synthesises is example, can save direct expense of project at least with 2,000 ten thousand yuan.
The above is a better embodiment of the present invention only, is not to be used for limiting protection scope of the present invention, and every equal conversion of doing according to claim of the present invention is all within protection scope of the present invention.
Claims (4)
1. underground complex integrally co-constructed implementation design method, the employing pattern of building together is carried out the construction of plot underground space development and subway station, it is characterized in that the end well at the subway two ends that comprise the steps: to construct at first separately, the pile foundation and the space enclosing structure in the plot of construction exploitation simultaneously; After treating that subway station end well structure is finished, carry out running tunnel shield structure and advance, develop the one excavation in plot and subway intermediate standard segment base hole simultaneously.
2. underground complex integrally co-constructed implementation design method according to claim 1 is characterized in that, the space enclosing structure and the support of subway standard paragraphs are set with the lower part at exploitation plot base plate.
3. underground complex integrally co-constructed implementation design method according to claim 1 is characterized in that, can adopt open cut to build together along the practice and subway to the exploitation plot and carry out the whole excavation construction of foundation ditch.
4. underground complex integrally co-constructed implementation design method according to claim 3, it is characterized in that, described open cut comprises the steps: successively to excavate the soil body along the practice and construction is successively supported, after at the bottom of excavating the plot foundation ditch, construction exploitation plot bed course and base plate, excavate the deep foundation ditch that falls of subway station standard paragraphs simultaneously downwards, excavation returns on earth and builds station base plate, side wall, fall dark section top board and effectively be connected of construction with the plot base plate, last whole building to last time developed plot and each floor plate of subway station, finishes whole underground construction.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121253A (en) * | 2010-12-21 | 2011-07-13 | 上海市第一建筑有限公司 | Stepped backfill construction method for overlarge underground structure |
| CN106013222A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Urban underground complex with three-circle cross section |
| CN106013225A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Six-layer circular traffic, comprehensive pipe rack and sponge urban underground complex |
| CN106013223A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Oval-cross-section urban underground complex |
| CN106245677A (en) * | 2016-08-01 | 2016-12-21 | 中国建筑第八工程局有限公司 | The construction method of the Group Buildings underground space |
| CN113737857A (en) * | 2021-10-09 | 2021-12-03 | 中国建筑第二工程局有限公司 | Be used for deep pipe gallery structure and major structure to build connection structure again and worker's method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1899474A (en) * | 1930-11-29 | 1933-02-28 | Ono Ryoe | Method of constructing subway tunnels |
| JP2000352296A (en) * | 1999-06-11 | 2000-12-19 | Maeda Corp | Method o constructing passage just under underground structure |
| CN101280568A (en) * | 2008-05-28 | 2008-10-08 | 上海隧道工程股份有限公司 | Station pit construction method forming protection for neighboring operated subway interval tunnel |
-
2009
- 2009-11-10 CN CN2009101985480A patent/CN101718100B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121253A (en) * | 2010-12-21 | 2011-07-13 | 上海市第一建筑有限公司 | Stepped backfill construction method for overlarge underground structure |
| CN106013222A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Urban underground complex with three-circle cross section |
| CN106013225A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Six-layer circular traffic, comprehensive pipe rack and sponge urban underground complex |
| CN106013223A (en) * | 2016-06-21 | 2016-10-12 | 沈阳建筑大学 | Oval-cross-section urban underground complex |
| CN106013225B (en) * | 2016-06-21 | 2018-02-23 | 沈阳建筑大学 | Six layers of circular traffic, pipe gallery and sponge Urban Underground Complex |
| CN106013223B (en) * | 2016-06-21 | 2018-03-09 | 沈阳建筑大学 | Elliptical section Urban Underground Complex |
| CN106013222B (en) * | 2016-06-21 | 2018-03-09 | 沈阳建筑大学 | Three circular cross section Urban Underground Complexes |
| CN106245677A (en) * | 2016-08-01 | 2016-12-21 | 中国建筑第八工程局有限公司 | The construction method of the Group Buildings underground space |
| CN106245677B (en) * | 2016-08-01 | 2018-06-26 | 中国建筑第八工程局有限公司 | The construction method of the Group Buildings underground space |
| CN113737857A (en) * | 2021-10-09 | 2021-12-03 | 中国建筑第二工程局有限公司 | Be used for deep pipe gallery structure and major structure to build connection structure again and worker's method thereof |
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| CN101718100B (en) | 2011-04-13 |
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Owner name: ARCHITECTURA DESIGN + RESEARCH INSTITUTE OF TONGJI Free format text: FORMER OWNER: ARCHITECTURA DESIGN + RESEARCH INSTITUTE OF TONGJI UNIVERSITY (GROUP) CO., LTD. RAIL AND UNDERGROUND ENGINEERING DESIGN BRANCH Effective date: 20100816 Owner name: SHANGHAI SHENTONG METRO GROUP CO., LTD. |
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Free format text: CORRECT: ADDRESS; FROM: 200092 BUILDING 8, YANTU BUILDING, NO.1239, SIPING ROAD, SHANGHAI CITY TO: 200092 NO.1239, SIPING ROAD, SHANGHAI CITY |
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Effective date of registration: 20100816 Address after: 1239 Siping Road, Shanghai, No. 200092 Applicant after: The Architectural and Research Institute of Tongji university Co-applicant after: Shanghai Shentong Metro Group Co., Ltd. Address before: 200092, 8 floor, geotechnical building, 1239 Siping Road, Shanghai Applicant before: Architectural Design & Research Institute of Tongji University (Group) Co., Ltd., Rail Transportation & Underground Engineering Design Branch |
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