CN214993888U - Ground supporting device for rock-soil construction - Google Patents
Ground supporting device for rock-soil construction Download PDFInfo
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- CN214993888U CN214993888U CN202120026598.7U CN202120026598U CN214993888U CN 214993888 U CN214993888 U CN 214993888U CN 202120026598 U CN202120026598 U CN 202120026598U CN 214993888 U CN214993888 U CN 214993888U
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Abstract
The utility model discloses a ground supporting device for ground construction belongs to building construction equipment technical field. At least two first protective steel pipes in the device are parallelly attached to the wall of a foundation pit at intervals, and the lower ends of the first protective steel pipes are inserted into the bottom of the foundation pit; the upper part of each first protection steel pipe is connected with the second protection steel pipe, and the lower part of each first protection steel pipe is connected with the fixed rod; the positioning rods are connected with the fixing rods and are all inserted into the bottom of the foundation pit; two ends of the first reinforcing rod are respectively connected with two adjacent first protection steel pipes, and two ends of the second reinforcing rod are respectively connected to the second protection steel pipes and the fixed rod; the safety net is arranged between the two adjacent first protection steel pipes, the second protection steel pipes and the fixed rod. The foundation support device for rock and soil construction provided by the embodiment of the application is simple in structure, easy to build in the construction process, high in structural strength and good in overall stability.
Description
Technical Field
The utility model relates to a civil engineering equipment technical field, in particular to ground supporting device for ground construction.
Background
Rock soil is a general term for any kind of rock and soil that make up the earth's crust from the viewpoint of engineering and construction. Geotechnical engineering mainly aims at solving the engineering problem of rock mass and soil mass, and takes foundations, foundations and the like as research objects. The foundation pit can be excavated in the research process of the foundation, the foundation pit refers to an underground space excavated downwards from the ground, the deformation of the surrounding soil body can be caused in the excavation process of the foundation pit, the supporting force of the side surface of the foundation pit is poor due to the large depth of the foundation pit after the excavation of the foundation pit is finished, and the buildings around the side surface of the foundation pit collapse due to the instability of the side surface of the foundation pit. In order to ensure the smooth construction of the foundation pit and the safety of surrounding buildings, a supporting structure is arranged between the foundation pit and the side wall of the foundation pit.
At present, a foundation pit support is usually formed by pouring reinforced concrete and matching with a corresponding protection plate, but the support structure can finally cause instability of a support system due to factors such as unreasonable design and the like, and the foundation pit instability can be finally caused if the overall stability is poor, the strength and the rigidity of the support structure are insufficient and the like. Moreover, the supporting device is complicated to build, consumes manpower and material resources, and is not beneficial to improving the construction efficiency.
Therefore, a foundation support device for rock and soil construction, which has high structural strength, good overall stability and rapid construction, is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides a ground supporting device for geotechnical construction can provide the support that structural strength is high, overall stability is good for ground for geotechnical construction.
Specifically, the method comprises the following technical scheme:
a foundation support device for rock-soil construction is characterized in that the device is arranged in a foundation pit and comprises two first protection steel pipes, a second protection steel pipe, a fixed rod, a first reinforcing rod, a second reinforcing rod, a safety net and a plurality of positioning rods;
the two first protective steel pipes are parallelly attached to the wall of the foundation pit at intervals, and the lower ends of the two first protective steel pipes are inserted into the bottom of the foundation pit;
the second protective steel pipe is connected to the upper part of each first protective steel pipe, and the fixing rod is connected to the lower part of each first protective steel pipe;
each positioning rod is connected to the fixing rod, and the lower end of each positioning rod is inserted into the bottom of the foundation pit;
the two ends of the first reinforcing rod are respectively connected to the two adjacent first protection steel pipes, the two ends of the second reinforcing rod are respectively connected to the second protection steel pipes and the fixed rods, and the safety net is arranged between the two adjacent first protection steel pipes, the second protection steel pipes and the fixed rods.
Optionally, the bottom end of the first protective steel tube is formed with a positioning cusp.
Optionally, the first protective steel pipe and the fixed rod and the first protective steel pipe and the second protective steel pipe are fixed through binding of steel wires.
Optionally, two ends of the first reinforcing rod are respectively provided with a first anchor rod, two ends of the second reinforcing rod are respectively provided with a second anchor rod, and a third anchor rod is arranged at the joint of the first reinforcing rod and the second reinforcing rod;
the first anchor rod, the second anchor rod and the third anchor rod penetrate through the first reinforcing rod, the second reinforcing rod and the joint of the first reinforcing rod and the second reinforcing rod from the outside in the direction perpendicular to the safety net and are inserted into the pit wall of the foundation pit.
Optionally, four corners of the safety net are provided with T-shaped frames, each of the T-shaped frames has a cross bar connected to the safety net, and two ends of the cross bar are respectively connected to one of the two first protective steel pipes and one of the second protective steel pipes and the fixing rod, and each of the T-shaped frames has a vertical bar far away from the cross bar, and one end of the vertical bar is connected to one of the two first protective steel pipes, the second protective steel pipe and the fixing rod.
Optionally, the fixing rod is connected with a foot blocking plate, the foot blocking plate is located on one side of the fixing rod, which is far away from the pit wall of the foundation pit, the plane of the foot blocking plate is parallel to the pit wall of the foundation pit, and the side surface, which is close to the pit wall of the foundation pit, of the foot blocking plate is further connected with the top of at least one of the positioning rods. Optionally, the apparatus further comprises a wire rope and a spud pile;
the top end of the fixing pile is connected with the second protective steel pipe through the steel cable, and the lower end of the fixing pile is inserted into the ground beside the foundation pit.
Optionally, fixing heads are welded at two ends of the second protective steel pipe, a first annular groove is formed in the middle of each fixing head, and one end of the steel cable is connected to the first annular groove.
Optionally, an anti-dropping end socket is welded at the top end of the fixed pile, a second annular groove is formed in the bottom of the anti-dropping end socket, and the other end of the steel cable is connected to the second annular groove.
Optionally, the device still includes the bracing piece, be provided with the spacing groove in the middle of the outside of spud pile, the one end joint of bracing piece is in the spacing groove, and the other end is connected to the other ground of foundation ditch.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
in the ground support device for geotechnical construction that this application embodiment provided, through with attached to the pit wall of foundation ditch with two piece at least first protection steel pipes parallel interval ground, the bottom of foundation ditch is all inserted to the lower extreme, be connected to the upper portion of every first protection steel pipe with the second protection steel pipe, the dead lever is connected to the lower part of every first protection steel pipe, the locating lever is connected to the dead lever, and the bottom of foundation ditch is all inserted to the lower extreme of locating lever, establish first stiffener in addition, be connected to two adjacent first protection steel pipes respectively with its both ends, and the second stiffener, be connected to second protection steel pipe and dead lever respectively with its both ends, lay the safety net at two adjacent first protection steel pipes, between second protection steel pipe and the dead lever, the ground support device structural strength who constitutes from this is high, overall stability is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 front view of a foundation support device for geotechnical construction provided in an embodiment of the present application.
Fig. 2 is a side view of a foundation support device for geotechnical construction provided in an embodiment of the present application.
In the figure: 1-a fixed head; 2-a first protective steel pipe; 3-a second protective steel pipe; 4-a foot baffle plate; 5-a first anchor rod; 6-a first reinforcement bar; 7-a second reinforcement bar; 8-a second anchor rod; 9-a first annular groove; a 10-T-shaped frame; 11-a third anchor; 12-positioning the tip; 13-positioning rods; 14-anti-drop end; 15-a second annular groove; 16-a steel cord; 17-a limit groove; 18-a spud pile; 19-a support bar; 20-the ground; 21-a fixing rod; 22-safety net.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application. Before the embodiments of the present application are described in further detail, terms of orientation such as "upper", "lower", "side", and the like in the embodiments of the present application are generally used as references to relative relationships of the orientations shown in the drawings, and are only used for the purpose of more clearly describing the structures and the relationships between the structures. When the product is placed in different postures, the orientation may be changed, for example, "up" and "down" may be interchanged.
Unless defined otherwise, all technical terms used in the examples of the present application have the same meaning as commonly understood by one of ordinary skill in the art.
In order to make the technical solutions and advantages of the present application clearer, the following will describe the embodiments of the present application in further detail with reference to the accompanying drawings.
The foundation support device for geotechnical construction that this application embodiment provided is as shown in figure 1. The foundation support device is arranged in a foundation pit and comprises two first protection steel pipes 2, a second protection steel pipe 3, a fixed rod 21, a first reinforcing rod 6, a second reinforcing rod 7, a safety net 22 and a plurality of positioning rods 13; the two first protective steel pipes 2 are attached to the wall of the foundation pit in a parallel and spaced mode, and the lower ends of the two first protective steel pipes are inserted into the bottom of the foundation pit; the second guard steel pipe 3 is connected to the upper portion of each first guard steel pipe 2, and the fixing lever 21 is connected to the lower portion of each first guard steel pipe 2; each positioning rod 13 is connected to a fixing rod 21, and the lower ends thereof are inserted into the bottom of the foundation pit; the both ends of first stiffener 6 are connected to two adjacent first protection steel pipes 2 respectively, and the both ends of second stiffener 7 are connected to second protection steel pipe 3 and dead lever 21 respectively, and safety net 22 lays between two adjacent first protection steel pipes 2, second protection steel pipe 3 and dead lever 21.
The utility model provides a ground supporting device for ground construction installs first protection steel pipe and dead lever in the bottom of foundation ditch through location tip and locating lever respectively, sets up the safety net between first protection steel pipe, second protection steel pipe, dead lever and the hole wall of foundation ditch closely laminates, establishes first stiffener, second stiffener in addition and fixes the safety net, makes whole supporting device structure more firm, and holistic stability is stronger.
In order to make the technical solutions and advantages of the embodiments of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings.
The utility model provides a foundation support device for rock-soil construction, and figure 1 is a schematic diagram of the foundation support device for rock-soil construction provided by the embodiment of the application; fig. 2 is a schematic side structure view of a foundation support device for geotechnical construction provided in an embodiment of the present application.
Referring to fig. 1, the foundation support device includes two first protective steel pipes 2, a second protective steel pipe 3, a fixing rod 21, a first reinforcing rod 7, a safety net 22, and a plurality of positioning rods 13.
In this application, second protection steel pipe 3 is connected to 2 upper ends of two piece at least first protection steel pipes, and dead lever 21 is connected to the lower extreme to constitute a rectangular frame, for making each unit structure of this rectangular frame connect inseparabler, overall structure is more stable, and it is fixed through the steel wire ligature between first protection steel pipe 2, second protection steel pipe 3, the dead lever 21, make this supporting device dismouting convenient, set up the convenience, improved the efficiency of construction greatly.
As shown in fig. 1, the supporting device is provided with a safety net 22 in a rectangular frame, and four corners of the safety net 22 are fixed with two first protective steel pipes 2, two second protective steel pipes 3 and a fixing rod 21 through a T-shaped frame 10. The horizontal bar of each T-shaped frame 10 is connected with the safety net 22, and two ends of the horizontal bar are respectively connected with each structural unit forming a rectangular frame, namely two ends of the horizontal bar of the T-shaped frame 10 are respectively connected with one of the two first protective steel pipes 2 and one of the second protective steel pipe 3 and the fixed rod 21; one end of each vertical bar of the T-shaped frame 10, which is far away from the horizontal bar, is connected with one of the two first protective steel pipes 2, the second protective steel pipe 3 and the fixed rod 21. The T-shaped frame 10 enhances the connection between the safety net 22 and the rectangular frame, and the safety net 22 can be tightly attached to the wall of the foundation pit during supporting.
In order to make the supporting device structure more stable, a first reinforcing rod 6 and a second reinforcing rod 7 which are vertically connected are additionally arranged in the rectangular frame, that is, as shown in fig. 1, two ends of the first reinforcing rod 6 are respectively connected to two adjacent first protection steel pipes 2, and two ends of the second reinforcing rod 7 are respectively connected between the second protection steel pipe 3 and the fixed rod 21. As can also be seen from fig. 1, the connection between the reinforcing rods and the safety net 22 is further enhanced by the first anchor rods 5, the second anchor rods 8 and the third anchor rods 11, that is, one first anchor rod 5 is respectively arranged at two ends of the first reinforcing rod 6, one second anchor rod 8 is respectively arranged at two ends of the second reinforcing rod 7, the third anchor rod 11 is arranged at the joint of the first reinforcing rod 6 and the second reinforcing rod 7, the two first anchor rods 5 are located at two sides of the third anchor rod 11, and the two second anchor rods 8 are located at two sides of the third anchor rod 11. Wherein first stock 5, second stock 8, third stock 11 all from outer first stiffener 6, second stiffener 7 and first stiffener 6 and the junction of second stiffener 7 of passing respectively along the direction of perpendicular to safety net 22 insert the pot wall depths of foundation ditch to can make this supporting device whole closely laminate with the domatic of ground foundation ditch, and the stock has also played the effect of fixed safety net 22, avoids the deformation of safety net 22 to tear.
It can also be seen in figure 1 that a plurality of locating rods 13 are attached to the fixing rods 21 and serve to fix the support means to the bottom of the excavation, i.e. the lower ends of the locating rods 13 are all inserted into the bottom of the excavation in use. For making the supporting device can be more firm fixed in the bottom of foundation ditch, 2 bottom integrated into one piece of first protection steel pipe have location prong 12, the setting up of location prong 12 is convenient for insert the bottom of foundation ditch with first protection steel pipe 2, also makes the device build more convenient when reinforcing supporting device's stability. In addition, the fixed rod 21 is further connected with a foot blocking plate 4, when the device is used for supporting, the foot blocking plate 4 is positioned on one side, away from the pit wall of the foundation pit, of the fixed rod 21, the plane of the foot blocking plate 4 is parallel to the pit wall of the foundation pit, and the side face, close to the pit wall of the foundation pit, of the foot blocking plate 4 is further connected with the top of at least one of the positioning rods 13. The arrangement of the foot blocking plate 4 can carry out safety protection on the top of the positioning rod 13 penetrating into the bottom surface of the foundation pit, and prevent the top of the positioning rod 13 from being damaged by collision in various forms in a construction site, and prevent the whole supporting device from being unstable and even collapsing.
In the supporting device of the application, because the length of the first protective steel pipe 2 can determine the height of the rectangular frame formed by the first protective steel pipe 2, and the length of the first protective steel pipe 2 is greater than the depth of the foundation pit, the height of the rectangular frame is also greater than the depth of the foundation pit, on one hand, the safety net 22 fixed in the rectangular frame can be more completely contacted with the pit wall of the foundation pit, and on the other hand, the part of the first protective steel pipe higher than the foundation pit is more easily fixed with the ground 20 beside the foundation pit so as to increase the stability of the whole supporting device. Referring to fig. 2, the portion of the rectangular frame above the ground is also connected to a spud pile 18 by a wire rope 16, and the lower end of the spud pile 18 is inserted into the ground 20 beside the excavation. In order to realize the connection between the rectangular frame and the fixed pile 18, the two ends of the second protective steel pipe 3 are welded with fixed heads 1, and the middle of each fixed head 1 is provided with a first annular groove 9; correspondingly, an anti-dropping end 14 is welded at the top end of the fixing pile 18, a second annular groove 15 is formed in the bottom of the anti-dropping end 14, the first annular groove 9 in the fixing head 1 is connected with the second annular groove 15 in the anti-dropping end 14 through a steel cable 16, namely one end of the steel cable 16 is connected to the first annular groove 9, and the other end of the steel cable is connected to the second annular groove. In addition, in order to increase the stability of the ground 20 beside the foundation pit in which the fixing pile 18 is inserted, a limiting groove 17 is arranged in the middle of the outer side of the fixing pile 18, a supporting rod 19 is clamped in the limiting groove 17, one end of the supporting rod 19 is clamped in the limiting groove 17, and the other end of the supporting rod 19 is connected to the ground 20 beside the foundation pit. Besides the positioning rod and the positioning tip, the fixing pile 18 is arranged to reinforce the supporting device, so that the supporting device is firmly installed and has high structural strength.
When specifically using, the utility model provides a pair of ground supporting device is used in ground construction has and struts the advantage that system overall stability is strong, supporting construction intensity is high. And simple structure builds the convenience, has improved the efficiency of construction.
In this application, the terms "first" and "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the present application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. The foundation support device for rock and soil construction is characterized by being arranged in a foundation pit and comprising two first protective steel pipes (2), a second protective steel pipe (3), a fixed rod (21), a first reinforcing rod (6), a second reinforcing rod (7), a safety net (22) and a plurality of positioning rods (13);
the two first protective steel pipes (2) are attached to the pit wall of the foundation pit in a parallel and spaced mode, and the lower ends of the two first protective steel pipes are inserted into the bottom of the foundation pit;
the second protective steel pipe (3) is connected to the upper part of each first protective steel pipe (2), and the fixing rod (21) is connected to the lower part of each first protective steel pipe (2);
each positioning rod (13) is connected to the fixing rod (21), and the lower ends of the positioning rods are inserted into the bottom of the foundation pit;
the two ends of the first reinforcing rod (6) are connected to the two adjacent first protection steel pipes (2) respectively, the two ends of the second reinforcing rod (7) are connected to the second protection steel pipes (3) and the fixing rods (21) respectively, and the safety nets (22) are arranged between the two adjacent first protection steel pipes (2), the second protection steel pipes (3) and the fixing rods (21).
2. The foundation support device for geotechnical construction according to claim 1, wherein the bottom end of the first shield steel pipe (2) is formed with a positioning spike (12).
3. The foundation support device for geotechnical construction according to claim 2, wherein the first protective steel pipe (2) and the fixing rod (21) and the first protective steel pipe (2) and the second protective steel pipe (3) are bound and fixed by steel wires.
4. The foundation support device for geotechnical construction according to claim 3, wherein first anchor rods (5) are respectively arranged at two ends of the first reinforcing rod (6), second anchor rods (8) are respectively arranged at two ends of the second reinforcing rod (7), and a third anchor rod (11) is arranged at the joint of the first reinforcing rod (6) and the second reinforcing rod (7);
the first anchor rod (5), the second anchor rod (8) and the third anchor rod (11) penetrate through the first reinforcing rod (6), the second reinforcing rod (7) and the connection position of the first reinforcing rod (6) and the second reinforcing rod (7) from the outside in the direction perpendicular to the safety net (22) and are inserted into the pit wall of the foundation pit.
5. The foundation support device for geotechnical construction according to any one of claims 1 to 4, wherein T-shaped frames (10) are provided at four corners of the safety net (22), a cross bar of each T-shaped frame (10) is connected to the safety net (22), and both ends of the cross bar are connected to one of the two first protection steel pipes (2) and one of the second protection steel pipe (3) and the fixing rod (21), respectively, and one end of each vertical bar of the T-shaped frame (10), which is far from the cross bar, is connected to one of the two first protection steel pipes (2), the second protection steel pipe (3) and the fixing rod (21).
6. The foundation support device for geotechnical construction according to any one of claims 1-4, wherein a foot blocking plate (4) is connected to the fixing rod (21), the foot blocking plate (4) is located on one side of the fixing rod (21) away from the pit wall of the foundation pit, the plane of the foot blocking plate (4) is parallel to the pit wall of the foundation pit, and the side of the foot blocking plate (4) close to the pit wall of the foundation pit is further connected to the top of at least one of the plurality of positioning rods (13).
7. The foundation support device for geotechnical construction according to any one of claims 1 to 4, wherein said device further comprises a wire rope (16) and a fixing pile (18);
the top end of the fixing pile (18) is connected with the second protective steel pipe (3) through the steel cable (16), and the lower end of the fixing pile is inserted into the ground (20) beside the foundation pit.
8. The foundation support device for geotechnical construction according to claim 7, wherein fixing heads (1) are welded to both ends of the second protective steel pipe (3), a first annular groove (9) is formed in the middle of each fixing head (1), and one end of the steel cable (16) is connected to the first annular groove (9).
9. The foundation support device for geotechnical construction according to claim 8, wherein an anti-drop head (14) is welded to a top end of the fixing pile (18), a second annular groove (15) is opened at a bottom of the anti-drop head (14), and the other end of the wire rope (16) is connected to the second annular groove (15).
10. The foundation support device for geotechnical construction according to claim 9, wherein the device further comprises a support rod (19), a limit groove (17) is formed in the middle of the outer side of the fixing pile (18), one end of the support rod (19) is clamped to the limit groove (17), and the other end of the support rod is connected to the ground (20) beside the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120026598.7U CN214993888U (en) | 2021-01-06 | 2021-01-06 | Ground supporting device for rock-soil construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120026598.7U CN214993888U (en) | 2021-01-06 | 2021-01-06 | Ground supporting device for rock-soil construction |
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| CN214993888U true CN214993888U (en) | 2021-12-03 |
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| CN202120026598.7U Active CN214993888U (en) | 2021-01-06 | 2021-01-06 | Ground supporting device for rock-soil construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262576A (en) * | 2022-08-05 | 2022-11-01 | 中国十七冶集团有限公司 | Detachable assembly type temporary foundation pit supporting device, supporting structure and construction method |
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2021
- 2021-01-06 CN CN202120026598.7U patent/CN214993888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262576A (en) * | 2022-08-05 | 2022-11-01 | 中国十七冶集团有限公司 | Detachable assembly type temporary foundation pit supporting device, supporting structure and construction method |
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