CN205839768U - Cantilever Steel Sheet Pile foundation pit supporting construction - Google Patents
Cantilever Steel Sheet Pile foundation pit supporting construction Download PDFInfo
- Publication number
- CN205839768U CN205839768U CN201620805650.8U CN201620805650U CN205839768U CN 205839768 U CN205839768 U CN 205839768U CN 201620805650 U CN201620805650 U CN 201620805650U CN 205839768 U CN205839768 U CN 205839768U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- sheet pile
- foundation pit
- fixed
- steel
- 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.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
本实用新型公开了一种悬臂式钢板桩基坑支护结构，包括钢板桩和基坑底面，钢板桩固定在基坑底面下方，钢板桩外侧设有钢腰梁，钢腰梁上固定有对拉锚筋，对拉锚筋穿过钢板桩，对拉锚筋通过锚头和固定螺栓固定在钢腰梁上，钢腰梁通过三角支撑架与钢板桩固定，对拉锚筋上设有拉力传感器，钢板桩顶部设有报警器；本实用新型所提供的技术方案既能满足基坑支护对基坑侧壁的稳定性、安全性要求，又能避免设置内支撑系统，进一步减小内支撑系统与土建施工造成的交叉影响，有利于缩短工期、降低工程造价，同时确保工程质量；能够有效保护邻近的市政管线等设施，确保施工期间这些设施正常运行。
The utility model discloses a cantilever type steel sheet pile foundation pit support structure, which comprises a steel sheet pile and the bottom surface of the foundation pit. The steel sheet pile is fixed below the bottom surface of the foundation pit. Pulling the anchor bar, the pair of anchor bars pass through the steel sheet pile, the pair of anchor bars are fixed on the steel waist beam through the anchor head and the fixing bolt, the steel waist beam is fixed with the steel sheet pile through the triangular support frame, and there is a tension force on the pair of anchor bars sensor, and an alarm is installed on the top of the steel sheet pile; the technical solution provided by the utility model can not only meet the stability and safety requirements of the foundation pit support on the side wall of the foundation pit, but also avoid the setting of an internal support system, further reducing the internal The cross-effect caused by the support system and civil construction is conducive to shortening the construction period, reducing the cost of the project, and at the same time ensuring the quality of the project; it can effectively protect the adjacent municipal pipelines and other facilities, and ensure the normal operation of these facilities during the construction period.
Description
技术领域technical field
本实用新型涉及基坑支护结构，具体涉及一种悬臂式钢板桩基坑支护结构。The utility model relates to a foundation pit support structure, in particular to a cantilever type steel sheet pile foundation pit support structure.
背景技术Background technique
在给排水建设的领域中，一方面伴随着城市建设的发展，项目建设逐渐呈现出需求大、规模大、进度紧等特点；另一方面，经过几十年的城市建设，现在的给排水建设往往以改造和扩建为主，各拟建构筑物以及基坑周围存在很多市政管线等设施，使得各基坑施工作业面较窄，风险较高。In the field of water supply and drainage construction, on the one hand, along with the development of urban construction, project construction gradually presents the characteristics of large demand, large scale, and tight schedule; on the other hand, after decades of urban construction, the current water supply and drainage construction Reconstruction and expansion are often the main projects, and there are many municipal pipelines and other facilities around the proposed structures and foundation pits, which makes the construction work area of each foundation pit narrow and the risk is high.
可见，各拟建基坑净距较小，基坑支护选型范围较小，无法选用较厚的重力式挡土墙结构，而传统的支护板桩加内支撑系统的基坑围护结构，由于内支撑系统与土建施工存在着较多的交叉影响，并且工期较长、造价较高，适应性较差。另外，邻近的市政管线等设施还需要加以保护，施工过程中需要确保其正常运行。It can be seen that the net distance of each proposed foundation pit is small, the selection range of foundation pit support is small, and a thick gravity retaining wall structure cannot be selected, while the traditional support sheet pile plus internal support system Structure, because there are many cross-effects between the internal support system and civil construction, and the construction period is long, the cost is high, and the adaptability is poor. In addition, adjacent municipal pipelines and other facilities need to be protected, and their normal operation needs to be ensured during the construction process.
因此，如何合理减小相邻基坑的彼此影响，并确保施工期间邻近的市政管线等设施能够正常运行，是基坑支护设计的一个难题。Therefore, how to reasonably reduce the mutual influence of adjacent foundation pits and ensure the normal operation of adjacent municipal pipelines and other facilities during construction is a difficult problem in the design of foundation pit support.
实用新型内容Utility model content
有鉴于现有技术的上述缺陷，本实用新型提供一种悬臂式钢板桩基坑支护结构，能够有效克服现有技术所存在的内支撑系统与土建施工存在较多的交叉影响、工期较长、造价较高以及支撑不够稳定等缺陷。In view of the above-mentioned defects of the prior art, the utility model provides a cantilever-type steel sheet pile foundation pit support structure, which can effectively overcome the cross influence between the internal support system and the civil construction in the prior art, and the long construction period , high cost and insufficient support and other defects.
为实现上述目的，本实用新型提供了一种悬臂式钢板桩基坑支护结构，包括钢板桩和基坑底面，所述钢板桩固定在基坑底面下方，所述钢板桩外侧设有钢腰梁，所述钢腰梁上固定有对拉锚筋，所述对拉锚筋穿过钢板桩，所述对拉锚筋通过锚头和固定螺栓固定在钢腰梁上，所述钢腰梁通过三角支撑架与钢板桩固定，所述对拉锚筋上设有拉力传感器，所述钢板桩顶部设有报警器。In order to achieve the above purpose, the utility model provides a cantilever type steel sheet pile foundation pit support structure, including a steel sheet pile and the bottom surface of the foundation pit, the steel sheet pile is fixed below the bottom surface of the foundation pit, and a steel waist is arranged on the outside of the steel sheet pile Beam, the steel waist beam is fixed with a pair of anchor bars, the pair of anchor bars pass through the steel sheet pile, the pair of anchor bars are fixed on the steel waist beam through anchor heads and fixing bolts, and the steel waist beam The triangular support frame is fixed to the steel sheet pile, the tension sensor is arranged on the pair of tension anchor bars, and the alarm is arranged on the top of the steel sheet pile.
优选地，所述钢板桩为Z型钢板桩。Preferably, the steel sheet pile is a Z-shaped steel sheet pile.
优选地，所述钢板桩设有两排。Preferably, the steel sheet piles are arranged in two rows.
优选地，所述钢腰梁对称设置。Preferably, the steel waist beams are arranged symmetrically.
优选地，所述拉力传感器与报警器无线通信。Preferably, the tension sensor communicates wirelessly with the alarm.
本实用新型的有益效果：The beneficial effects of the utility model:
本实用新型所提供的一种悬臂式钢板桩基坑支护结构既能满足基坑支护对基坑侧壁的稳定性、安全性要求，又能避免设置内支撑系统，进一步减小内支撑系统与土建施工造成的交叉影响，有利于缩短工期、降低工程造价，同时确保工程质量；能够有效保护邻近的市政管线等设施，确保施工期间这些设施正常运行，同时还能避免施工之前对市政设施进行迁改，尤其适用于各类改造、扩建工程，具有良好的使用前景；此外，采用锚头和固定螺栓对对拉锚筋进行固定，有效提高了整个基坑支护结构的稳定性。The utility model provides a cantilever type steel sheet pile foundation pit support structure that can not only meet the stability and safety requirements of the foundation pit support on the side wall of the foundation pit, but also avoid the setting of an internal support system and further reduce the internal support. The cross-effect caused by the system and civil construction is beneficial to shorten the construction period, reduce the project cost, and at the same time ensure the quality of the project; it can effectively protect the adjacent municipal pipelines and other facilities, ensure the normal operation of these facilities during construction, and at the same time avoid damage to municipal facilities before construction. It is especially suitable for various types of reconstruction and expansion projects for relocation and reconstruction, and has a good use prospect; in addition, anchor heads and fixing bolts are used to fix the anchor bars, which effectively improves the stability of the entire foundation pit support structure.
以下将结合附图对本实用新型的构思、具体结构及产生的技术效果作进一步说明，以充分地了解本实用新型的目的、特征和效果。The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.
附图说明Description of drawings
图1为本实用新型结构示意图；Fig. 1 is the structural representation of the utility model;
图中：In the picture:
1、钢板桩；2、基坑底面；3、钢腰梁；4、对拉锚筋；5、锚头；6、固定螺栓；7、三角支撑架；8、拉力传感器；9、报警器。1. Steel sheet pile; 2. Bottom of foundation pit; 3. Steel waist beam; 4. Anti-tension anchor bar; 5. Anchor head;
具体实施方式detailed description
一种悬臂式钢板桩基坑支护结构，如图1所示，包括钢板桩1和基坑底面2，钢板桩1固定在基坑底面2下方，钢板桩1外侧设有钢腰梁3，钢腰梁3上固定有对拉锚筋4，对拉锚筋4穿过钢板桩1，对拉锚筋4通过锚头5和固定螺栓6固定在钢腰梁3上，钢腰梁3通过三角支撑架7与钢板桩1固定，对拉锚筋4上设有拉力传感器8，钢板桩1顶部设有报警器9。钢板桩1为Z型钢板桩，钢板桩1设有两排，钢腰梁3对称设置，拉力传感器8与报警器9无线通信。A cantilever-type steel sheet pile foundation pit support structure, as shown in Figure 1, includes a steel sheet pile 1 and a bottom surface 2 of the foundation pit, the steel sheet pile 1 is fixed below the bottom surface 2 of the foundation pit, and a steel waist beam 3 is arranged on the outside of the steel sheet pile 1, The steel waist beam 3 is fixed with the opposite tension anchor bar 4, the opposite tension anchor bar 4 passes through the steel sheet pile 1, the opposite tension anchor bar 4 is fixed on the steel waist beam 3 through the anchor head 5 and the fixing bolt 6, and the steel waist beam 3 passes through the The triangular support frame 7 is fixed to the steel sheet pile 1, a tensile force sensor 8 is provided on the anchor bar 4, and an alarm 9 is provided on the top of the steel sheet pile 1. The steel sheet piles 1 are Z-shaped steel sheet piles. The steel sheet piles 1 are arranged in two rows. The steel waist beams 3 are arranged symmetrically. The tension sensor 8 communicates with the alarm 9 wirelessly.
使用时，先将两排钢板桩1打入基坑底面2中，固定好钢板桩1。将对拉锚筋4穿过钢板桩1并通过锚头5和固定螺栓6固定在钢腰梁3上，钢腰梁3通过三角支撑架7与钢板桩1固定，对拉锚筋4能够有效防止因基坑内水压过大而导致两旁的钢板桩1变形，利用锚头5和固定螺栓6进行固定，并用三角支撑架7支撑，能够提高整个基坑支护结构的稳定性。拉力传感器8能够对对拉锚筋4所承受的拉力进行测量，并通过无线通信传送给报警器9，当对拉锚筋4所承受的拉力达到阈值时，报警器9进行报警，以提醒管理人员及时对钢板桩1进行加固。When in use, two rows of steel sheet piles 1 are first driven into the bottom surface 2 of the foundation pit, and the steel sheet piles 1 are fixed. Pass the anchor bar 4 through the steel sheet pile 1 and fix it on the steel waist beam 3 through the anchor head 5 and the fixing bolt 6. The steel waist beam 3 is fixed with the steel sheet pile 1 through the triangular support frame 7, and the anchor bar 4 can be effectively To prevent the steel sheet piles 1 on both sides from being deformed due to excessive water pressure in the foundation pit, fix them with anchor heads 5 and fixing bolts 6, and support them with a triangular support frame 7, which can improve the stability of the entire foundation pit support structure. The tension sensor 8 can measure the tensile force borne by the anchor bar 4 and transmit it to the alarm 9 through wireless communication. When the tensile force borne by the anchor bar 4 reaches a threshold value, the alarm 9 will give an alarm to remind the management Personnel reinforced the steel sheet pile 1 in time.
本实用新型所提供的一种悬臂式钢板桩基坑支护结构既能满足基坑支护对基坑侧壁的稳定性、安全性要求，又能避免设置内支撑系统，进一步减小内支撑系统与土建施工造成的交叉影响，有利于缩短工期、降低工程造价，同时确保工程质量；能够有效保护邻近的市政管线等设施，确保施工期间这些设施正常运行，同时还能避免施工之前对市政设施进行迁改，尤其适用于各类改造、扩建工程，具有良好的使用前景；此外，采用锚头和固定螺栓对对拉锚筋进行固定，有效提高了整个基坑支护结构的稳定性。The utility model provides a cantilever type steel sheet pile foundation pit support structure that can not only meet the stability and safety requirements of the foundation pit support on the side wall of the foundation pit, but also avoid the setting of an internal support system and further reduce the internal support. The cross-effect caused by the system and civil construction is beneficial to shorten the construction period, reduce the project cost, and at the same time ensure the quality of the project; it can effectively protect the adjacent municipal pipelines and other facilities, ensure the normal operation of these facilities during construction, and at the same time avoid damage to municipal facilities before construction. It is especially suitable for various types of reconstruction and expansion projects for relocation and reconstruction, and has a good use prospect; in addition, anchor heads and fixing bolts are used to fix the anchor bars, which effectively improves the stability of the entire foundation pit support structure.
以上详细描述了本实用新型的较佳具体实施例。应当理解，本领域的普通技术人员无需创造性劳动就可以根据本实用新型的构思作出诸多修改和变化。因此，凡本技术领域中技术人员依本实用新型的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案，皆应在由权利要求书所确定的保护范围内。The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620805650.8U CN205839768U (en) | 2016-07-28 | 2016-07-28 | Cantilever Steel Sheet Pile foundation pit supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620805650.8U CN205839768U (en) | 2016-07-28 | 2016-07-28 | Cantilever Steel Sheet Pile foundation pit supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205839768U true CN205839768U (en) | 2016-12-28 |
Family
ID=57640230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620805650.8U Active CN205839768U (en) | 2016-07-28 | 2016-07-28 | Cantilever Steel Sheet Pile foundation pit supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205839768U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524152A (en) * | 2017-10-13 | 2017-12-29 | 中建八局第三建设有限公司 | A kind of foundation pit enclosure structure stress bringing device and its construction method |
| CN108343098A (en) * | 2018-02-11 | 2018-07-31 | 江苏中路工程检测有限公司 | A kind of automatic monitoring system of deep basal pit |
| CN111021270A (en) * | 2019-12-27 | 2020-04-17 | 合肥市市政设计研究总院有限公司 | Construction method for permanently protecting existing pipeline during road reconstruction |
-
2016
- 2016-07-28 CN CN201620805650.8U patent/CN205839768U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524152A (en) * | 2017-10-13 | 2017-12-29 | 中建八局第三建设有限公司 | A kind of foundation pit enclosure structure stress bringing device and its construction method |
| CN107524152B (en) * | 2017-10-13 | 2024-12-03 | 中建八局第三建设有限公司 | A stress applying device for foundation pit retaining structure and construction method thereof |
| CN108343098A (en) * | 2018-02-11 | 2018-07-31 | 江苏中路工程检测有限公司 | A kind of automatic monitoring system of deep basal pit |
| CN111021270A (en) * | 2019-12-27 | 2020-04-17 | 合肥市市政设计研究总院有限公司 | Construction method for permanently protecting existing pipeline during road reconstruction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203923924U (en) | No. 0 section bracket prepressing device | |
| CN206189478U (en) | Horizontal pile foundation single pile horizontal load test device | |
| CN205839768U (en) | Cantilever Steel Sheet Pile foundation pit supporting construction | |
| CN106703437A (en) | Shock-insulation underpinning structure and construction method thereof | |
| CN102651042A (en) | Prestressed pull rod foundation design method for large-span space structure | |
| CN207419711U (en) | Steel plate shear force wall and the connection structure of steel bar girder floor plates | |
| CN105240018A (en) | Vertical shaft construction device and method | |
| CN202217513U (en) | Pre-embedded support device for pressure vessel insulation layer in nuclear power plant | |
| CN201232194Y (en) | Anti-deformation power transmission tower | |
| CN102251524A (en) | Foundation pit side wall prestressed anchor rod spreader beam row pile enclosing structure | |
| CN203174645U (en) | Basement post-cast strip force transmission device | |
| CN102535525A (en) | Structure and method utilizing anti-floating anchor rods to support underground raft plates | |
| CN204097888U (en) | A kind of small box girder reinforcing construction with prestressed stretch-draw and checkout gear | |
| CN201730350U (en) | Adjustable assembly type steel structure temporary structure support for structure post-cast strip | |
| CN105297783B (en) | One kind can monitor many material joint seepage prevention systems | |
| CN202672019U (en) | Quake-proof flood-fighting half integration type bridge abutment seamless bridge with miniature pile energy consumption system | |
| CN202073026U (en) | Vertical spacing and anti-drop-beam structure of bridge | |
| CN211141349U (en) | Track panel well gantry crane foundation fixing structure | |
| CN207659956U (en) | A kind of device improving diaphram wall steel reinforcement cage radial direction verticality | |
| CN105544474B (en) | A kind of floating net being used for before water inlet disappears vortex method | |
| CN204753602U (en) | Subassembly is strutted to foundation ditch external corner position self -balancing | |
| CN115045203A (en) | Wide-width large-span continuous hanging basket cantilever pouring construction method | |
| CN212405024U (en) | Concrete panel dam void gauge mounting structure type | |
| CN207794153U (en) | A kind of general-purpose anchor case for foundation pile static load test | |
| CN205530326U (en) | Tower crane landing leg anchor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |