CN113756323A - Vertical separable integrated supporting system suitable for long-strip rectangular foundation pit - Google Patents
Vertical separable integrated supporting system suitable for long-strip rectangular foundation pit Download PDFInfo
- Publication number
- CN113756323A CN113756323A CN202111026291.8A CN202111026291A CN113756323A CN 113756323 A CN113756323 A CN 113756323A CN 202111026291 A CN202111026291 A CN 202111026291A CN 113756323 A CN113756323 A CN 113756323A
- Authority
- CN
- China
- Prior art keywords
- vertical
- modules
- foundation pit
- truss frame
- horizontal truss
- 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
- 239000010410 layer Substances 0.000 claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 238000000926 separation method Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000010354 integration Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 13
- 238000009412 basement excavation Methods 0.000 abstract description 11
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 238000009417 prefabrication Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
Abstract
The invention discloses a vertical separable integrated supporting system suitable for a long rectangular foundation pit, which comprises: prefabricating and assembling an integral supporting system, and supporting and superposing a plurality of layers of combined horizontal truss frames; the vertical separation lifting system comprises a vertical connection and separation mechanism for performing interlayer connection or separation on the multi-layer combined type horizontal truss frame support, and a vertical lifting system at least connected to the bottommost combined type horizontal truss frame support; the active horizontal supporting system is arranged on the outer ring of each layer of combined horizontal truss frame support; the control and monitoring system is used for monitoring the prefabricated assembly integral supporting system, the vertical separation lifting system and the active horizontal supporting system. The invention adopts a vertical separable integrated supporting system to perform factory modularization prefabrication, after the system is installed in place at one time on site, the system is separated vertically step by step along with an excavation step sequence, and is supported actively after being in place, and after the system is circulated to the pit bottom, the system is combined vertically step by step along with a construction step sequence, and the system is unloaded with main power, and is lifted to a first channel to transport a decomposition module outside.
Description
Technical Field
The invention relates to the technical field of foundation pit construction, in particular to a vertical separable integrated supporting system suitable for a long rectangular foundation pit.
Background
The current common deep foundation pit supporting mode is mostly vertical enclosure + inner support system. The inner support form generally adopts a concrete support or a steel support. Because of the width restriction, the traditional municipal foundation ditch often adopts the form of propping.
The cast-in-place operation of the concrete support and the installation of the steel support have the following problems:
1. a large number of constructors are required to be invested in the foundation pit during the supporting operation;
2. the supporting operation period needs to be crossed with equipment such as an excavator, a hoisting machine and the like;
3. a large number of potential safety hazards exist in cross operation in a construction site, and safety accidents such as people injury due to falling objects, falling from a high place, mechanical striking and the like are easy to happen;
4. the concrete support needs to be used for binding, pouring and maintaining time in a large amount of time, the construction period is long, and the deformation effect of the foundation pit is accumulated;
5. although the mounting speed of the steel supports is higher than that of the concrete supports, the steel supports need to be mounted one by one, so that the preorder excavation operation needs to be matched with the mounting progress of the supports, and the building speed of the foundation pit is also restricted; and the common steel support before and after stress application can generate triple stress loss due to factors such as poor support installation and the like, and the axial force loss rate is 49-67 percent after prestress is applied in a grading way. Even if the problem of axial force loss is solved by introducing the servo steel support, the inherent defect that the steel support is small in rigidity and easy to destabilize cannot be made up;
6. the uneven installation quality of the steel supports also causes the deformation effect of the foundation pit to be further accumulated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a vertical separable integrated supporting system suitable for a long rectangular foundation pit, which realizes automation of foundation pit operation, supports along with excavation, effectively improves the foundation pit construction speed, further compresses the exposure time of the foundation pit and effectively controls the deformation of the foundation pit.
In order to realize the technical effects, the invention adopts the technical scheme that:
the utility model provides a vertical separable integration braced system suitable for rectangular rectangle foundation ditch, it includes:
the prefabricated assembly integral supporting system is formed by overlapping a plurality of layers of combined horizontal truss frame supports, each layer of combined horizontal truss frame support comprises corner modules, standard diagonal bracing modules, reinforced diagonal bracing modules and connecting modules, the corner modules are connected into a long rectangular shape, the corner modules are positioned at four corners of the long rectangular shape, the standard diagonal bracing modules and the reinforced diagonal bracing modules are arranged along the direction of the short side of the long rectangular shape, and the middle parts of the standard diagonal bracing modules and the reinforced diagonal bracing modules are connected by the connecting modules;
the vertical separation lifting system comprises a vertical connection and separation mechanism for performing interlayer connection or separation on the multi-layer combined horizontal truss frame support and a vertical lifting system at least connected to the bottommost combined horizontal truss frame support;
the active horizontal supporting system is arranged on the outer ring of each layer of combined horizontal truss frame support;
and the control and monitoring system is used for monitoring the prefabricated assembly integral supporting system, the vertical separation lifting system and the active horizontal supporting system.
As an implementation mode of the vertical separable integrated supporting system, the vertical connecting and separating system adopts a mechanical buckle and is controlled to open and close by the control and monitoring system.
As an implementation mode of the vertical separable integrated supporting system, an embedded vertical hydraulic device is further arranged between layers of the combined horizontal truss frame supports, the control and monitoring system controls the extension and contraction, and the hydraulic device separates the upper layer and the lower layer of the combined horizontal truss frame supports when being vertically ejected out.
As an embodiment of the vertical separable integrated supporting system, the vertical lifting system comprises a mechanical fixing frame arranged at the top of the enclosure structure and a lifting machine arranged on the mechanical fixing frame, and the lifting machine is connected with the combined horizontal truss frame support at the bottommost layer through a steel wire rope.
As an embodiment of the vertical separable integrated support system of the present invention, the hoisting machine is a hoist.
As an embodiment of the vertical separable integrated supporting system, the active horizontal supporting system is a plurality of hydraulic jacks or oil cylinders arranged at intervals around an outer ring of the combined horizontal truss frame support.
As an implementation mode of the vertical separable integrated supporting system, the control and monitoring system comprises a force measuring device and a main controller, wherein the force measuring device is installed on the combined horizontal truss frame support and enclosure structure, and the main controller is electrically connected with the force measuring device, the vertical connection and separation system, the vertical lifting system and the active horizontal supporting system.
As an embodiment of the vertical separable integrated support system of the present invention, the corner modules are connected by the connecting module on the short side of the elongated rectangular shape, and the corner modules are connected to the standard counter-support module on the long side of the elongated rectangular shape.
As an embodiment of the vertical separable integrated supporting system, the corner modules, the standard diagonal bracing modules, the reinforced diagonal bracing modules and the connecting modules are all steel frame trusses.
As an implementation mode of the vertical separable integrated supporting system, the number of the standard opposite-supporting modules is at least two, and the reinforced opposite-supporting module is positioned between the standard opposite-supporting modules.
Due to the adoption of the technical scheme, the invention has the following technical effects:
the invention develops a vertical separable integrated supporting system suitable for a long rectangular foundation pit, subverts the traditional support and uses a plurality of pairs of supports as an inner supporting system, introduces the vertical separable integrated supporting system to replace the traditional inner supporting system, and realizes the whole-course mechanical operation of the integrated support along with the excavation step sequence, vertical separation, vertical lifting and positioning and active horizontal support taking effect by using the modern industrial mechanized flow operation mode. The pit operation automation is realized, the pit is excavated along with the support, the foundation pit construction speed is effectively improved, the exposure time of the foundation pit is further shortened, and the deformation of the foundation pit is effectively controlled.
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 introduced 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 based on these drawings without creative efforts.
Fig. 1 is a plan view of a foundation pit of a vertical separable integrated support system suitable for a long rectangular foundation pit according to an embodiment of the present invention.
Fig. 2 is an elevation view schematically illustrating a first usage state of the vertical separable integrated support system according to the embodiment of the present invention.
Fig. 3 is a partially enlarged schematic view of fig. 2.
Fig. 4 is an elevation view of the vertical separable integrated support system of the embodiment of the present invention in a second use state.
Fig. 5 is a partially enlarged schematic view of fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With the rapid development of urban economy in China, the depth of a foundation pit is continuously increased, and the excavation environment is increasingly complicated. How to accelerate the foundation pit construction step and solve or reduce the influence on the environment becomes important content in the research field of urban environmental geotechnical engineering. A large amount of personnel and time are invested in traditional foundation pit engineering and are used for binding and pouring of reinforced concrete supports and erecting steel supports, and the problems that the construction period is long, the number of operation cross surfaces is large, the mechanization degree is low, the construction quality of the steel supports is uneven and the like exist. The foundation pit construction speed and quality directly influence the foundation pit deformation. Therefore, the vertical separable integrated supporting system is introduced to replace the traditional inner supporting system form, the modern industrial mechanized flow operation mode is used for reference, and after the foundation pit is excavated in place, the integrated supporting vertical separation, the vertical lifting in place and the active horizontal support take effect in the whole mechanized operation. The method has the advantages of realizing automation of operation, supporting along with digging, effectively improving the building speed of the foundation pit, further shortening the exposure time of the foundation pit and effectively controlling the deformation of the foundation pit.
Referring to fig. 1 to 5, an embodiment of the present invention provides a vertical separable integrated support system suitable for a long rectangular foundation pit, including four systems: the device comprises a prefabricated assembly integral supporting system 1, a vertical separation lifting system 2, an active horizontal supporting system 3 and a control monitoring system 4.
Prefabricated assembly integral supporting system 1
And an assembly type and integration concept is introduced, and each support is integrated into a single-layer combined horizontal truss frame support 11 instead of the traditional inner support single concept. In order to facilitate on-site assembly and improve the applicability of various foundation pits, the combined horizontal truss frame support 11 is divided into a corner module 111, a standard opposite support module 112, a reinforcing opposite support module 113 and a connecting module 114. The multilayer combined horizontal truss frame supports 11 are overlapped to form the prefabricated and assembled integral supporting system 1.
As shown in fig. 1, in the present embodiment, each layer of combined horizontal truss frame support 11 includes four corner modules 111 connected into an elongated rectangular shape, four standard opposite-bracing modules 112, two reinforcing opposite-bracing modules 113, and five connecting modules 114, the combined horizontal truss frame support 11 assembled into the elongated rectangular shape is suitable for an elongated rectangular foundation pit, wherein the corner modules 111, the standard opposite-bracing modules 112, the reinforcing opposite-bracing modules 113, and the connecting modules 114 all adopt a steel frame truss structure, the four corner modules 111 are respectively located at four corners of the elongated rectangular shape, the standard opposite-bracing modules and the reinforcing opposite-bracing modules are arranged along a short side direction of the elongated rectangular shape, and are connected in a group by the connecting modules 114, the corner modules 111 are connected by the connecting modules 114 at one side of a short side of the elongated rectangular shape, the corner modules 111 are connected with the standard opposite-bracing modules 112 at one side of a long side of the elongated rectangular shape, the reinforcing butt-bracing module 113 is located in the middle of the standard butt-bracing module 112 on both sides. The connecting module 114 is fixedly connected with each adjacent module through bolts and nuts, the corner of each module is reinforced by a triangular diagonal brace, and each module is of a truss steel structure.
(II) vertical separation lifting system 2
Comprises two parts of a vertical connection and separation mechanism 21 and a vertical lifting mechanism 22, wherein:
the vertical connection and separation mechanism 21 can adopt an interlayer mechanical buckle, as shown in fig. 4 and 5, the mechanical buckle is fully distributed between the layers of the adjacent combined horizontal truss frame supports 11 and mainly comprises two parts of turning plates and pin shafts, the turning plates are symmetrically arranged on the two sides of each truss steel structure, the turning plates are rotatably arranged on the middle lower parts of the two sides of the truss steel structures through rotating shafts, the pin shafts can be horizontally and telescopically arranged on the middle upper parts of the two sides of the truss steel structures, pin shaft holes are formed in the turning plates, so that the pin shafts can be inserted into the pin shaft holes when extending out, the interlayer fixation of the combined horizontal truss frame supports 11 is realized, when the separation is needed, the pin shafts retract from the pin shaft holes to release the locking, the extension of the pin shafts can be controlled by a small motor, and the small motor is controlled by a control and monitoring system 4. Of course, the pin shaft can be replaced by a common bolt and a common nut, the plate is manually turned in place and then fixed by the bolt and the nut, so that the interlayer fixation of the combined horizontal truss frame support 11 is realized, and when the plate needs to be separated, the nut is unscrewed and the plate is taken out. Similarly, the pin shaft can also adopt an L-shaped pin shaft, the rotation of the pin shaft is controlled by a small motor, and the pin shaft is matched with a strip-shaped hole on the turning plate to realize the locking and unlocking of the pin shaft and the turning plate. Therefore, the form of the vertical connecting and disconnecting mechanism 21 of the present invention is various, and is not limited to the above-exemplified forms, and it is within the scope of the present invention as long as the function thereof can be achieved.
In addition, as a preferred embodiment of the present invention (not shown in the figures), in order to prevent the upper and lower single-layer combined horizontal truss frame supports 11 from being inseparable due to adsorption and the like during the separation process, a hydraulic device capable of being vertically ejected is embedded in the single-layer combined horizontal truss frame supports 11, the upper and lower single-layer combined horizontal truss frame supports 11 are vertically ejected during the vertical separation process of the system, the upper and lower single-layer combined horizontal truss frame supports 11 are separated from each other, and a reclining system is provided to provide a counter force for the ejection of the vertical hydraulic device.
The vertical lifting mechanism 22 may be a lifting machine, such as a winch, a mechanical fixing frame 23 is installed at the top of the enclosure structure 10 around the foundation pit, the lifting machine is fixed on the mechanical fixing frame 23, and the lifting machine is further connected to the combined horizontal truss frame support 11 at the bottommost layer through a steel wire rope. Since the other layers of the combined horizontal truss frame supports 11 are overlapped on the combined horizontal truss frame support 11 at the bottommost layer, the combined horizontal truss frame support 11 at the bottommost layer can be lifted and lowered at the same time by connecting the combined horizontal truss frame support 11 at the bottommost layer with a lifting machine. The vertical lifting mechanism 22 is also controlled to lift by the control and monitoring system 4.
The vertical lift mechanism 22 must accomplish two tasks: firstly, the prefabricated integral supporting system 1 is lifted to the foundation pit for calculating the designated elevation, and secondly, the prefabricated integral supporting system is vertically separated and the combined horizontal truss frame support 11 is lifted to the foundation pit for calculating the designated elevation.
(III) active horizontal supporting system 3
The active horizontal supporting system 3 is arranged on the outer ring of each layer of combined horizontal truss frame support 11 of the prefabricated and assembled integral supporting system 1, so that the action mode of the prefabricated and assembled integral supporting system 1 is changed from a passive compression and relaxation deformation state of a traditional foundation pit support into active compression regulation and deformation, the development trend of enclosure deformation in the foundation pit excavation process can be well controlled, and the influence of enclosure structure deformation and foundation pit excavation on the surrounding environment is reduced. And the stress value can be adjusted according to the surrounding conditions such as the excavation depth of the foundation pit.
The active horizontal support system 3 can adopt a hydraulic oil cylinder or a hydraulic jack, the active horizontal support system is uniformly arranged around the outer ring of each layer of combined horizontal truss frame support 11 at intervals, the base of the hydraulic oil cylinder or the hydraulic jack is vertically fixed on the end face of the outer side of the combined horizontal truss frame support 11, and the end of the push rod faces outwards. The active horizontal support system 3 is controlled by a control and monitoring system 4.
(IV) control monitoring system 4
The system can comprise a force measuring device arranged on the combined horizontal truss frame support 11 and the building envelope 10 and a main controller such as a PLC (programmable logic controller) or a single chip microcomputer or a small computer and the like electrically connected with the force measuring device, the vertical connection and separation system 21, the vertical lifting system 22 and the active horizontal support system 3. The force measuring device can adopt different types of stressometers or sensors and the like and is used for measuring the internal force of main components of the system and monitoring the deformation of the system. The functions of the control and monitoring system 4 include, but are not limited to: monitoring of the vertical connection and separation system 21; monitoring a vertical lifting system 22 (including lifting speed monitoring, synchronous monitoring of lifting postures of the combined horizontal truss frame support 11, monitoring of maximum axial force of a lifting steel wire rope and a lifting alarm self-locking system); a servo monitoring system (a hydraulic jack synchronous release system and hydraulic jack pressurization real-time monitoring); the enclosure monitoring system comprises: and (5) monitoring enclosure deformation.
The use principle of the vertical separable integrated supporting system applicable to the long rectangular foundation pit is as follows:
1. the prefabricated integrated supporting system 1 and the active horizontal supporting system 3 are transported to the site after the integrated module is processed in a factory;
2. overlapping the multi-layer combined horizontal truss frame supports 11 to form a prefabricated and assembled integral supporting system 1;
3. after the active horizontal supporting system 3 applies active force, the next layer of earthwork of the foundation pit can be excavated;
4. the combined horizontal truss frame supports 11 are connected by interlayer mechanical buckles;
5. the combined horizontal truss frame supports 11 are separated and lifted through the vertical separation lifting system 2.
The concrete construction process is as follows:
a. after the building enclosure 10 is finished and before a foundation pit is excavated, a mechanical fixing frame 23 is installed at the top of the building enclosure;
b. when a first layer of earthwork is excavated to a specified depth, a plurality of layers of combined horizontal truss frame supports 11 are overlapped and assembled together on an excavation surface by using a vertical connecting and separating system, a vertical lifting system 22 is connected between at least the bottommost combined horizontal truss frame support 11 and a mechanical fixing frame 23, and an active horizontal support system 3 is arranged on the outer ring of each layer of combined horizontal truss frame support 11;
c. the installation control monitoring system 4 is used for monitoring the vertical connection separation system 21, the vertical lifting system 22, the combined horizontal truss frame support 11 and the active horizontal support system 3;
d. the top first-layer active horizontal support system 3 applies active force to the enclosure and fixes the first-layer combined horizontal truss frame support 11, as shown in fig. 2 and 3;
e. excavating the next layer of earthwork to a specified depth, controlling the vertical connection and separation system by using the control and monitoring system 4 to separate the fixed combined horizontal truss frame supports 11 (namely, separating the interlayer connection between the first layer and the second layer), and controlling the vertical lifting system to lower the other layers of combined horizontal truss frame supports to the excavation surface;
f. the next layer of active horizontal support system applies active force to the enclosure and fixes the next layer of combined horizontal truss frame support, as shown in fig. 4 and 5;
g. and f, circularly performing the step e and the step f until the foundation pit is excavated to the bottom.
The invention discloses an internal support in the form of a vertical separable integrated support system, which comprises four systems: the device comprises a prefabricated assembly integral supporting system 1, a vertical separation lifting system 2, an active horizontal supporting system 3 and a control monitoring system 4. According to the construction method, a vertical separable integrated supporting system is prefabricated in a factory modularization mode, after the integrated supporting system is installed in place at one time on site, the integrated supporting system is separated vertically step by step along with an excavation step, is supported actively after being placed in place, circulates to the pit bottom, is combined vertically step by step along with a back construction step, unloads the main power, and is lifted to a first post-decomposition module for outward transportation.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a vertical separable integration braced system suitable for rectangular rectangle foundation ditch, its characterized in that includes:
the prefabricated assembly integral supporting system is formed by overlapping a plurality of layers of combined horizontal truss frame supports, each layer of combined horizontal truss frame support comprises corner modules, standard diagonal bracing modules, reinforced diagonal bracing modules and connecting modules, the corner modules are connected into a long rectangular shape, the corner modules are positioned at four corners of the long rectangular shape, the standard diagonal bracing modules and the reinforced diagonal bracing modules are arranged along the direction of the short side of the long rectangular shape, and the middle parts of the standard diagonal bracing modules and the reinforced diagonal bracing modules are connected by the connecting modules;
the vertical separation lifting system comprises a vertical connection and separation mechanism for performing interlayer connection or separation on the multi-layer combined horizontal truss frame support and a vertical lifting system at least connected to the bottommost combined horizontal truss frame support;
the active horizontal supporting system is arranged on the outer ring of each layer of combined horizontal truss frame support;
and the control and monitoring system is used for monitoring the prefabricated assembly integral supporting system, the vertical separation lifting system and the active horizontal supporting system.
2. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 1, wherein: the vertical connection and separation system adopts a mechanical fastener, and the opening and the closing are controlled by the control and monitoring system.
3. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 1, wherein: and an embedded vertical hydraulic device is further arranged between layers of the multi-layer combined horizontal truss frame support, the control monitoring system controls the expansion and contraction, and the upper layer and the lower layer are separated when the hydraulic device is vertically ejected out.
4. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 1, wherein: the vertical lifting system comprises a mechanical fixing frame arranged at the top of the enclosure structure and a lifting machine arranged on the mechanical fixing frame, and the lifting machine is connected to the bottommost combined type horizontal truss frame through a steel wire rope.
5. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 4, wherein: the hoisting machine is a winch.
6. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 1, wherein: the active horizontal supporting system is a plurality of hydraulic jacks or oil cylinders which are arranged around the outer ring of the combined horizontal truss frame support at intervals.
7. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 1, wherein: the control monitoring system comprises a force measuring device arranged on the combined horizontal truss frame support and enclosure structure and a main controller electrically connected with the force measuring device, the vertical connection and separation system, the vertical lifting system and the active horizontal support system.
8. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 1, wherein: the corner module passes through on the short side of rectangular rectangle shape the connection module connects, the corner module on the long side of rectangular rectangle shape with the standard is to propping the module and being connected.
9. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 8, wherein: the corner module, the standard diagonal bracing module, the reinforced diagonal bracing module and the connecting module are all steel frame trusses.
10. The vertical separable integrated support system for the elongated rectangular foundation pit as claimed in claim 9, wherein: the number of the standard opposite-supporting modules is at least two, and the reinforced opposite-supporting modules are located between the standard opposite-supporting modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026291.8A CN113756323A (en) | 2021-09-02 | 2021-09-02 | Vertical separable integrated supporting system suitable for long-strip rectangular foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026291.8A CN113756323A (en) | 2021-09-02 | 2021-09-02 | Vertical separable integrated supporting system suitable for long-strip rectangular foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113756323A true CN113756323A (en) | 2021-12-07 |
Family
ID=78792598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111026291.8A Pending CN113756323A (en) | 2021-09-02 | 2021-09-02 | Vertical separable integrated supporting system suitable for long-strip rectangular foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113756323A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208379600U (en) * | 2018-04-25 | 2019-01-15 | 广东省基础工程集团有限公司 | A kind of slip steel supporting system |
| JP2019007232A (en) * | 2017-06-26 | 2019-01-17 | 鹿島建設株式会社 | Installation method of timbering |
| CN208949890U (en) * | 2018-05-31 | 2019-06-07 | 戴向胜 | Improved hybrid precast formula support device in foundation pit |
| CN213773394U (en) * | 2020-11-25 | 2021-07-23 | 上海亨能建筑模块化科技有限公司 | Novel assembled rectangular steel tube concrete truss support system |
| CN113235618A (en) * | 2021-06-01 | 2021-08-10 | 中国建筑第八工程局有限公司 | Support system in slip type foundation pit and construction method thereof |
-
2021
- 2021-09-02 CN CN202111026291.8A patent/CN113756323A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019007232A (en) * | 2017-06-26 | 2019-01-17 | 鹿島建設株式会社 | Installation method of timbering |
| CN208379600U (en) * | 2018-04-25 | 2019-01-15 | 广东省基础工程集团有限公司 | A kind of slip steel supporting system |
| CN208949890U (en) * | 2018-05-31 | 2019-06-07 | 戴向胜 | Improved hybrid precast formula support device in foundation pit |
| CN213773394U (en) * | 2020-11-25 | 2021-07-23 | 上海亨能建筑模块化科技有限公司 | Novel assembled rectangular steel tube concrete truss support system |
| CN113235618A (en) * | 2021-06-01 | 2021-08-10 | 中国建筑第八工程局有限公司 | Support system in slip type foundation pit and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202245617U (en) | Elevator well wall assembled by adopting combined type derricks | |
| CN1075766A (en) | The construction method of pre-poured combined building | |
| CN113756314B (en) | Construction method suitable for excavation of deep large subway foundation pit of soft soil foundation in long triangular area | |
| CN103452350B (en) | Assembling electronic workshop and construction method thereof | |
| CN114182963A (en) | Construction method for reverse-order layered lifting of plane-overlapped multi-layer large-span truss structure | |
| CN108612315A (en) | A kind of assembled mixed structure Frame-Shear Wall building system and construction method | |
| CN113136891B (en) | Open cut integral assembly column-free underground structure construction method | |
| CN107476561A (en) | A kind of attachment type raise scaffold and its construction | |
| CN113756323A (en) | Vertical separable integrated supporting system suitable for long-strip rectangular foundation pit | |
| CN102691267A (en) | High pier construction method for external whole operation platform | |
| CN113802571A (en) | Vertical separable integrated supporting system suitable for circular foundation pit | |
| WO2007097640A2 (en) | A method for installing and dismantling a wind power structure, and a wind turbine assembly | |
| CN113756324A (en) | Rapid construction method of deep foundation pit by using vertical separable integrated supporting system | |
| CN109555129A (en) | One kind is quickly met an urgent need diagonal brace and construction method for salvage of foundation pits | |
| CN115387378A (en) | Semi-pillarless assembly type station based on simply supported superposed side walls and floorslabs and method thereof | |
| CN110118014B (en) | Exterior wall template system free of exterior scaffold and construction method thereof | |
| CN211143319U (en) | Building structure composed of beam column framework for multi-layer steel structure building | |
| CN112761377A (en) | Unloading column pulling structure of frame structure and construction method thereof | |
| KR100402146B1 (en) | The method of a continuous preflex composite girder with shifting up and down | |
| CN2915948Y (en) | Detachable tower footing | |
| JP2002030810A (en) | Construction method and construction device for structure | |
| JPH06341154A (en) | Construction of underground building frame | |
| CN217174813U (en) | Foundation pit supporting structure combining floor slab and steel pipe support above operation subway tunnel | |
| CN115075273B (en) | Reinforced concrete prefabricated pouring jacket cofferdam and construction method | |
| JP3834325B2 (en) | Building demolition method |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hou Yongmao Inventor after: He Yun Inventor after: Huang Xiaoqing Inventor after: Ling Yufeng Inventor after: Wang Jiyun Inventor after: Xia Yuansi Inventor after: Shi Yazhou Inventor after: Wang Shuyang Inventor after: Cheng Wenzhen Inventor after: Zhu Yanfei Inventor after: Xu Chenchun Inventor after: Luo Sainan Inventor after: Xiong Sheng Inventor after: Wan Min Inventor after: Hu Chaorong Inventor after: Su Wende Inventor before: Hou Yongmao Inventor before: He Yun Inventor before: Huang Xiaoqing Inventor before: Ling Yufeng Inventor before: Wang Jiyun Inventor before: Xia Yuansi Inventor before: Shi Yazhou Inventor before: Wang Shuyang Inventor before: Cheng Wenzhen Inventor before: Zhu Yanfei Inventor before: Xu Chenchun Inventor before: Luo Sainan Inventor before: Xiong Sheng Inventor before: Wan Min Inventor before: Hu Chaorong Inventor before: Su Wende |
|
| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211207 |
|
| RJ01 | Rejection of invention patent application after publication |