CN111485578A - Stepped edge forward and backward building construction method - Google Patents
Stepped edge forward and backward building construction method Download PDFInfo
- Publication number
- CN111485578A CN111485578A CN202010332230.3A CN202010332230A CN111485578A CN 111485578 A CN111485578 A CN 111485578A CN 202010332230 A CN202010332230 A CN 202010332230A CN 111485578 A CN111485578 A CN 111485578A
- Authority
- CN
- China
- Prior art keywords
- main building
- construction
- area
- reverse
- peripheral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009435 building construction Methods 0.000 title claims description 8
- 238000010276 construction Methods 0.000 claims abstract description 49
- 230000002093 peripheral effect Effects 0.000 claims abstract description 40
- 230000008093 supporting effect Effects 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000009412 basement excavation Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000009191 jumping Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
技术领域technical field
本发明涉及建筑的技术领域,尤其涉及一种阶梯式边顺边逆的建筑施工方法。The invention relates to the technical field of construction, and in particular to a construction method of stepped side-sequential side-reverse.
背景技术Background technique
一般的建筑领域采用的是顺作法,即从底楼向上建设到顶楼,这样方式一般适用于环境比较简单的区域,并且地下楼层少。现有技术中,对于某些在深基础、地质复杂、地下水位高和周边环境要求严格等特殊情况下采用逆作法,即先沿建筑物地下室轴线或周围逆作施工地下连续墙或其他支护结构,同时逆作施工支承桩和钢立柱,作为施工期间于底板封底之前承受上部结构自重和施工荷载的竖向构件;然后开挖土方至第一层地下室底面标高,并完成该层的梁板楼面结构,并兼做水平支撑体系,随后逐层向下开挖土方和浇筑各层地下梁板结构,直至底板封底。In the general construction field, the construction method is adopted, that is, from the ground floor to the top floor, this method is generally suitable for areas with a relatively simple environment and few underground floors. In the prior art, for some special cases such as deep foundation, complex geology, high groundwater level and strict surrounding environment requirements, the reverse method is adopted, that is, the underground diaphragm wall or other supports are constructed in reverse along the axis of the basement of the building or around it. At the same time, the supporting piles and steel columns are used as vertical members to bear the dead weight of the superstructure and the construction load during the construction period before the bottom cover of the bottom plate; then the earthwork is excavated to the bottom elevation of the first basement, and the beams and slabs of this layer are completed The floor structure is also used as a horizontal support system, and then the earthwork is excavated layer by layer and the underground beam-slab structure of each layer is poured until the bottom plate is sealed.
一般情况下,由于出土效率底,单纯采用逆作法将导致工期较长,并且对于有主楼的逆作法工程,很难达到地面以上主楼提前施工的目的。鉴于上述要求,则现需要一种能在复杂环境下可以提高建设速度、降低施工成本,并且可以保证建筑安全性的施工方法。In general, due to the low excavation efficiency, simply adopting the reverse method will lead to a longer construction period, and for the reverse method project with the main building, it is difficult to achieve the purpose of early construction of the main building above the ground. In view of the above requirements, there is a need for a construction method that can increase construction speed, reduce construction costs, and ensure building safety in complex environments.
发明内容SUMMARY OF THE INVENTION
为了实现在复杂环境下可以提高建设速度、降低施工成本,并且可以保证建筑安全性,为此,本发明提供一种阶梯式边顺边逆的建筑施工方法。本发明采用以下技术方案:In order to improve the construction speed, reduce the construction cost and ensure the safety of the building in a complex environment, the present invention provides a building construction method with a stepped edge and a reversed edge. The present invention adopts following technical scheme:
一种阶梯式边顺边逆的建筑施工方法,包括以下步骤:A building construction method with a stepped edge and a reverse edge, comprising the following steps:
S1、逆作施工周边逆作区的竖向支承构件;S1. The vertical support members of the reverse working area around the reverse working construction;
S2、使用逆作法在周边逆作区施工兼做结构梁板的水平支撑构件,在主楼周边形成闭环式水平支撑体系;S2. Use the reverse method to construct the horizontal support member of the structural beam and slab in the surrounding reverse work area, and form a closed-loop horizontal support system around the main building;
S3、根据基坑变形要求在周边逆作区预留反压土,并采用多级放坡使主楼区域开挖至基底;S3. Reserve back pressure soil in the surrounding counter-cropping area according to the deformation requirements of the foundation pit, and use multi-level grading to excavate the main building area to the base;
S4、主楼区域结构顺作施工,当主楼顺作施工的各层梁板结构与相应周边逆作施工的各层梁板结构形成整体后,在主楼向上施工的同时,向下逆作施工主楼周边预留土放坡区域的地下结构。S4. The regional structure of the main building is constructed in the same way. When the beam-slab structure of each floor of the main building is constructed in the same way and the beam-slab structure of each floor of the corresponding surrounding inverse construction is formed as a whole, while the main building is constructed upward, the surrounding of the main building will be constructed in an inverse way. Reserve the underground structure of the soil grading area.
步骤S1的具体步骤为:地下室四周逆作施工地下连续墙和支承桩,并将钢立柱插入支承桩内,作为周边逆作区在施工阶段的竖向支承构件。The specific steps of step S1 are as follows: the underground diaphragm wall and supporting piles are constructed in reverse around the basement, and the steel columns are inserted into the supporting piles as vertical supporting members in the construction phase of the surrounding inversion area.
步骤S2具体为:Step S2 is specifically:
S21、在周边逆作区,施工形成B0层外围梁板;S21. In the surrounding counter-cropping area, construct the peripheral beam slab of the B0 layer;
S22、明挖主楼范围内的土方,然后暗挖周边逆作区的土方,开挖到可设置下一层外围梁板的深度后,施工形成下一层的外围梁板;S22. Excavate the earthwork within the scope of the main building, and then dig the earthwork in the surrounding counter-cropping area. After the excavation reaches the depth where the next layer of peripheral beams and slabs can be set, the construction to form the next layer of peripheral beams and slabs;
S23、重复步骤S22,直至建立第Bx层外围梁板。S23. Step S22 is repeated until the peripheral beam slab of the Bxth layer is established.
步骤S3具体为:Step S3 is specifically:
S31、向下开挖主楼范围内的土方,同时在周边逆作区开始预留反压土,形成从周边到主楼区域逐级放坡的支护效果;S31. Excavate the earthwork within the scope of the main building downward, and at the same time start to reserve back pressure soil in the surrounding counter-cropping area to form a supporting effect of gradual grading from the surrounding area to the main building area;
S32、当主楼范围内的土方开挖到基底时,开始施工主楼结构的工程桩,然后顺作施工第Am层主楼梁板。S32. When the earthwork within the scope of the main building is excavated to the base, start the construction of the engineering piles of the main building structure, and then construct the beams and slabs of the main building on the A-th floor along the way.
步骤S4具体为:Step S4 is specifically:
S41、主楼向上顺作,直至主楼建设到与Bx层外围梁板齐高且与Bx层外围梁板连接形成整体;S41. The main building is constructed upward until the main building is constructed to the same height as the peripheral beams and slabs of the Bx layer and is connected with the peripheral beams and slabs of the Bx layer to form a whole;
S42、主楼继续顺作,分别与相应的外围梁板连接,直至形成与B0层外围梁板齐平的A0层主楼梁板,同时,外围梁板逆作,直至外围梁板建设到与Am层主楼梁板水平连接。S42. The main building continues to work smoothly, connecting with the corresponding peripheral beams and slabs respectively, until the A0-floor main building beams and slabs are flush with the B0-floor peripheral beams and slabs. The boards are connected horizontally.
在周边逆作区,在满足基坑变形的要求下,采用跃层开挖技术,所谓跃层开挖技术为前一次土方开挖跳过外围梁板的施工,而与后一次土方开挖作为一次性开挖的施工技术,进而形成Am层主楼梁板比Bx层外围梁板至少低一层的形式。In the surrounding counter-cropping area, under the requirement of the deformation of the foundation pit, the jump layer excavation technology is adopted. The construction technology of one-time excavation, and then form the form that the beams of the main floor of the Am floor are at least one layer lower than the outer beams of the Bx floor.
本发明的优点在于:The advantages of the present invention are:
(1)本发明将整个基坑氛围主楼顺作区和周边逆作区两部分,整体采用结构梁板作为水平支撑,节省了大量临时支撑工程量,同时,由于主楼区域采用敞开式施工,出土速度较快,大大加快了整体施工的进度。在逆作阶段主楼区域的大空间开口,可以明显地改善地下作业的通风和采光条件。(1) In the present invention, the entire foundation pit atmosphere main building along-cropping area and the surrounding counter-cropping area are used as a whole, and the structural beam plate is used as a horizontal support, which saves a large amount of temporary support engineering. The speed is faster, which greatly speeds up the overall construction progress. The large space opening in the main building area during the retrograde phase can significantly improve the ventilation and lighting conditions for underground operations.
(2)在主楼周边首先逆作施工部分楼层地下结构,主楼施工过程中利用被动区多级放坡留土和周边结构约束围护体位移,从而达到控制基坑变形,保护环境的目的。(2) The underground structure of some floors is first constructed in the vicinity of the main building. During the construction of the main building, the passive area is multi-level grading and soil retention and the surrounding structure is used to restrain the displacement of the enclosure, so as to achieve the purpose of controlling the deformation of the foundation pit and protecting the environment.
(3)主楼周边先逆作的首层结构作为施工场地解决了场地狭小、操作困难的问题;另一方面主楼顺作区域基坑面积相对较小、主楼区域不受大面积地下室结构完成时间的限制,上下同步施工可加快主楼的施工进度、缩短总工期、并减少工程的前期投资额。(3) The first floor structure around the main building is used as a construction site to solve the problems of small site and difficult operation; Restrictions, simultaneous construction up and down can speed up the construction progress of the main building, shorten the total construction period, and reduce the initial investment of the project.
附图说明Description of drawings
图1为本发明的流程图。FIG. 1 is a flow chart of the present invention.
图2-10为本发明中按照操作顺序的效果图。2-10 are effect diagrams according to the operation sequence in the present invention.
图中标注符号的含义如下:The meanings of the symbols in the figure are as follows:
1-地下连续墙 2-钢立柱 3-外围梁板 4-主楼梁板1- Underground diaphragm wall 2- Steel column 3- Peripheral beam plate 4- Main floor beam plate
5-工程桩 6-支承桩5-Engineering pile 6-Support pile
具体实施方式Detailed ways
如图1所示,一种阶梯式边顺边逆的建筑施工方法,包括以下步骤:As shown in Figure 1, a stepped construction method with side-by-side and reverse side includes the following steps:
S1、逆作施工周边逆作区的竖向支承构件。如图2所示,地下室四周逆作施工地下连续墙1和支承桩6,并将钢立柱插入支承桩6内,作为周边逆作区在施工阶段的竖向支承构件。S1. The vertical support member of the reverse working area around the reverse working construction. As shown in Figure 2, the underground diaphragm wall 1 and the supporting
S2、使用逆作法在周边逆作区施工兼做结构梁板的水平支撑构件,在主楼周边形成闭环式水平支撑体系,具体包括以下分步骤:S2. Use the reverse method to construct the horizontal support member of the structural beam and slab in the surrounding reverse work area, and form a closed-loop horizontal support system around the main building, which includes the following steps:
S21、如图3所示,在周边逆作区,施工形成B0层外围梁板;S21. As shown in Fig. 3, in the surrounding counter-cropping area, construct the peripheral beam slab of the B 0 layer;
S22、如图4-5所示,明挖主楼范围内的土方,然后暗挖周边逆作区的土方,开挖到可设置下一层外围梁板3的深度后,施工形成下一层的外围梁板3。S22. As shown in Figure 4-5, excavate the earthwork within the scope of the main building, and then dig the earthwork in the surrounding counter-cropping area. After the excavation reaches the depth where the peripheral beam slab 3 of the next layer can be set, the construction will form the next layer of earthwork. Peripheral beam plate 3.
S23、重复步骤S22,直至建立第Bx层外围梁板,图4形成B1层外围梁板,图5形成B2层外围梁板。S23, Step S22 is repeated until the Bx layer peripheral beam plate is established, FIG. 4 forms the B1 layer peripheral beam plate, and FIG. 5 forms the B2 layer peripheral beam plate.
S3、根据基坑变形要求在周边逆作区预留反压土,并采用多级放坡使主楼区域开挖至基底,具体包括以下分步骤:S3. Reserve back pressure soil in the surrounding counter-cropping area according to the deformation requirements of the foundation pit, and use multi-level grading to excavate the main building area to the base, which includes the following sub-steps:
S31、如图6所示,向下开挖主楼范围内的土方,同时在周边逆作区开始预留反压土,形成从周边到主楼区域逐级放坡的支护效果;S31. As shown in Figure 6, excavate the earthwork within the main building downwards, and at the same time start to reserve back pressure soil in the surrounding counter-cropping area to form a supporting effect of gradual grading from the surrounding area to the main building area;
S32、如图7所示,当主楼范围内的土方开挖到基底时,开始施工主楼结构的工程桩5,然后顺作施工第Am层主楼梁板,A4层主楼梁板。S32. As shown in Figure 7, when the earthwork within the main building reaches the base, construction of the engineering piles 5 of the main building structure begins, and then the beams and slabs of the main building on the A-th floor and the beams and slabs on the A4-floor are constructed along the way.
S4、如图8-10所示,主楼区域结构顺作施工,当主楼顺作施工的各层梁板结构与相应周边逆作施工的各层梁板结构形成整体后,在主楼向上施工的同时,向下逆作施工主楼周边预留土放坡区域的地下结构,具体包括以下分步骤:S4. As shown in Figure 8-10, the structure of the main building area is constructed in the same way. When the beam-slab structure of each floor of the main building is constructed along the way and the beam-slab structure of the corresponding surrounding counter-construction is formed as a whole, while the main building is constructed upwards , the underground structure of the reserved soil grading area around the main building is reversed downward, which includes the following sub-steps:
S41、如图8所示,主楼向上顺作,直至主楼建设到与B3层外围梁板齐高且与B3层外围梁板连接形成整体;S41. As shown in Figure 8, the main building is constructed upward until the main building is constructed to the same height as the peripheral beams and slabs of the B3 floor and is connected with the peripheral beams and slabs of the B3 layer to form a whole;
S42、如图9-10所示,主楼继续顺作,分别与相应的外围梁板3连接,直至形成与B0层外围梁板齐平的A0层主楼梁板,同时,外围梁板3逆作,直至外围梁板3建设到与A4层主楼梁板水平连接。S42. As shown in Fig. 9-10, the main building continues to work smoothly, connecting with the corresponding peripheral beams and slabs 3 respectively, until the beams of the main building on the A0 floor that are flush with the peripheral beams and slabs of the B0 floor are formed. At the same time, the peripheral beams and slabs 3 are reversed. , until the peripheral beam plate 3 is constructed to be horizontally connected with the beam plate of the main building on the A4 floor.
具体地说,在周边逆作区,在满足基坑变形的要求下,采用跃层开挖技术,所谓跃层开挖技术为前一次土方开挖跳过外围梁板3的施工,而与后一次土方开挖作为一次性开挖的施工技术,进而形成Am层主楼梁板4比Bx层外围梁板至少低一层的形式,可以进一步提高土方开挖效率,达到节约工期的效果。Specifically, in the surrounding counter-cropping area, under the requirement of the deformation of the foundation pit, the jumping layer excavation technology is adopted. One-time earthwork excavation is used as a one-time excavation construction technology, and then forms the form in which the
以上仅为本发明创造的较佳实施例而已,并不用以限制本发明创造,凡在本发明创造的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明创造的保护范围之内。The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332230.3A CN111485578A (en) | 2020-04-24 | 2020-04-24 | Stepped edge forward and backward building construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332230.3A CN111485578A (en) | 2020-04-24 | 2020-04-24 | Stepped edge forward and backward building construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111485578A true CN111485578A (en) | 2020-08-04 |
Family
ID=71790262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010332230.3A Pending CN111485578A (en) | 2020-04-24 | 2020-04-24 | Stepped edge forward and backward building construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111485578A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266038A (en) * | 2021-05-27 | 2021-08-17 | 中冶建工集团有限公司 | Construction method for excavating underground building in foundation pit |
| CN115094912A (en) * | 2022-08-01 | 2022-09-23 | 上海建工一建集团有限公司 | Trans-partition forward and backward combined construction method for building on upper part of ultra-large soft soil foundation pit |
| CN115354694A (en) * | 2022-09-22 | 2022-11-18 | 中建三局集团华南有限公司 | Super high-rise full-reverse construction method |
| CN115559351A (en) * | 2022-10-24 | 2023-01-03 | 中建三局集团华南有限公司 | Reverse construction method for all-steel-structure multi-layer basement |
| CN119598570A (en) * | 2024-11-18 | 2025-03-11 | 广东省建筑设计研究院集团股份有限公司 | A structural analysis and design method using the edge area inverse method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705685A (en) * | 2009-11-06 | 2010-05-12 | 上海市第一建筑有限公司 | Stepped top-down construction method for peripheral beam slabs of underground structure |
| CN103290849A (en) * | 2013-06-20 | 2013-09-11 | 江苏城市职业学院 | Pit-in-pit supporting structure of half topdown construction method and construction method thereof |
| CN104234082A (en) * | 2014-08-29 | 2014-12-24 | 中国电建集团华东勘测设计研究院有限公司 | Jump-layer reversed construction method for deep foundation pit |
| CN105113514A (en) * | 2015-08-31 | 2015-12-02 | 广东省建筑设计研究院 | Foundation pit enclosure system using underground diaphragm wall as vertical cantilever supporting point and construction method |
| KR20170005365A (en) * | 2015-07-01 | 2017-01-12 | 주식회사 한빛구조엔지니어링 | The smart supporting structure for top down construction method |
| CN106351331A (en) * | 2016-08-30 | 2017-01-25 | 正太集团有限公司 | Multi-floor basement reverse and normal combined construction process |
-
2020
- 2020-04-24 CN CN202010332230.3A patent/CN111485578A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705685A (en) * | 2009-11-06 | 2010-05-12 | 上海市第一建筑有限公司 | Stepped top-down construction method for peripheral beam slabs of underground structure |
| CN103290849A (en) * | 2013-06-20 | 2013-09-11 | 江苏城市职业学院 | Pit-in-pit supporting structure of half topdown construction method and construction method thereof |
| CN104234082A (en) * | 2014-08-29 | 2014-12-24 | 中国电建集团华东勘测设计研究院有限公司 | Jump-layer reversed construction method for deep foundation pit |
| KR20170005365A (en) * | 2015-07-01 | 2017-01-12 | 주식회사 한빛구조엔지니어링 | The smart supporting structure for top down construction method |
| CN105113514A (en) * | 2015-08-31 | 2015-12-02 | 广东省建筑设计研究院 | Foundation pit enclosure system using underground diaphragm wall as vertical cantilever supporting point and construction method |
| CN106351331A (en) * | 2016-08-30 | 2017-01-25 | 正太集团有限公司 | Multi-floor basement reverse and normal combined construction process |
Non-Patent Citations (1)
| Title |
|---|
| 余波江等: "深基坑逆作法施工土方跃层开挖的数值模拟与实测分析", 《西安科技大学学报》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266038A (en) * | 2021-05-27 | 2021-08-17 | 中冶建工集团有限公司 | Construction method for excavating underground building in foundation pit |
| CN115094912A (en) * | 2022-08-01 | 2022-09-23 | 上海建工一建集团有限公司 | Trans-partition forward and backward combined construction method for building on upper part of ultra-large soft soil foundation pit |
| CN115094912B (en) * | 2022-08-01 | 2023-11-28 | 上海建工一建集团有限公司 | Cross-partition forward and reverse combined construction method for super-large soft soil foundation pit upper building |
| CN115354694A (en) * | 2022-09-22 | 2022-11-18 | 中建三局集团华南有限公司 | Super high-rise full-reverse construction method |
| CN115559351A (en) * | 2022-10-24 | 2023-01-03 | 中建三局集团华南有限公司 | Reverse construction method for all-steel-structure multi-layer basement |
| CN115559351B (en) * | 2022-10-24 | 2023-08-08 | 中建三局集团华南有限公司 | Reverse construction method for multi-layer basement of all-steel structure |
| US12084854B2 (en) | 2022-10-24 | 2024-09-10 | China Construction Third Engineering Bureau Group South China Co., Ltd. | Top-down construction method for multi-storey basement with full steel structure |
| CN119598570A (en) * | 2024-11-18 | 2025-03-11 | 广东省建筑设计研究院集团股份有限公司 | A structural analysis and design method using the edge area inverse method |
| CN119598570B (en) * | 2024-11-18 | 2025-11-28 | 广东省建筑设计研究院集团股份有限公司 | Structural analysis and design method adopting edge region inverse method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111485578A (en) | Stepped edge forward and backward building construction method | |
| CN106522241B (en) | The method for supporting deep foundation pit of the high basement structure of super large layer | |
| CN105863287B (en) | Frame structure building jacks increasing layer and shock isolation method | |
| CN102127974B (en) | Design and construction method of additional cellar under existing building | |
| CN105350573B (en) | Floorslab construction method used during reverse building method construction | |
| CN106245927B (en) | A kind of method and building suitable for frame structure building underground increasing layer | |
| CN110878562B (en) | Method for in-situ excavation of foundation pit and new addition of underground structure under existing reserved building | |
| CN203654294U (en) | Foundation pit supporting structure used in reverse building method | |
| RU2414563C1 (en) | Method to erect multistory subsurface structure | |
| CN110106919A (en) | Enclosure structure and construction method of a cover-excavation station | |
| CN109403339A (en) | The deep basal pit composite supporting construction and its method for protecting support of double-row pile combination method of center island | |
| CN110486034A (en) | Subway station and construction method based on pile foundation in four pilot tunnel of single layer and middle drift | |
| CN201972155U (en) | Topdown-construction-method foundation pit supporting structure of steel plate pile | |
| CN210598987U (en) | Subway station based on pile foundation of single-layer four-pilot tunnel and middle pilot tunnel | |
| CN101498133A (en) | Method and supporting construction for enlarging basement top-down method earth excavation space | |
| CN116927205A (en) | When the B2 roof is completed in the first excavation area, the second layer of soil will be excavated in advance in the second excavation area. | |
| CN108457303B (en) | A method of adding an underground parking lot under an existing building | |
| CN221878957U (en) | A double underpinning structure for adding underground floors to existing buildings in narrow spaces | |
| CN106013174A (en) | An oblique support method for foundation pit support and an oblique support structure | |
| CN212175798U (en) | Whole strutting arrangement of deep basal pit | |
| CN116005718A (en) | Construction method for reverse construction engineering subsurface earth structure staggered-layer running water | |
| CN102561393B (en) | Assembly type underground structure and construction method thereof | |
| CN113653062A (en) | Construction method for quickly unearthing deep foundation pit by utilizing trestle to combine with road in pit | |
| CN109138484B (en) | Construction method for connecting jacking layer-added concrete-filled steel tubular column with foundation | |
| JP2004176434A (en) | Structure construction method and underground structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200804 |
|
| RJ01 | Rejection of invention patent application after publication |