CN111441364A - Recoverable PC worker method combination steel-pipe pile adds steel pipe shaped steel support system - Google Patents
Recoverable PC worker method combination steel-pipe pile adds steel pipe shaped steel support system Download PDFInfo
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- CN111441364A CN111441364A CN202010293073.XA CN202010293073A CN111441364A CN 111441364 A CN111441364 A CN 111441364A CN 202010293073 A CN202010293073 A CN 202010293073A CN 111441364 A CN111441364 A CN 111441364A
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- steel pipe
- pile
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- support
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- 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
Abstract
The invention discloses a recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system which comprises a PC construction method pile, a supporting structure and a support, wherein the supporting structure comprises a Larsen pile and a steel pipe pile, the PC construction method pile and the support arranged on three sides enclose to form a square structure, the supporting structure comprises a main supporting rod, a triangular connecting piece, an auxiliary support and a connecting support, the main supporting rod is arranged in the middle of the supporting structure, and the triangular connecting piece is connected with the auxiliary support arranged on the side face of the supporting structure. According to the recoverable PC construction method combined steel pipe pile and steel pipe section steel supporting system, a PC construction method foundation pit supporting structure is adopted, the production efficiency is improved, the construction cost is saved, the resource consumption is reduced, the supporting structure is arranged inside, the integral stability of the supporting structure is improved, reinforcing ribs are arranged at the structural connection part and the stress position, the weight of the supporting structure is reduced, the strength is increased, the structure combination can be disassembled and recycled, and the use cost is reduced.
Description
Technical Field
The invention relates to the field of PC construction method piles, in particular to a recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system.
Background
The development of cities drives the rapid development of underground spaces, the development and the utilization of underground spaces such as underground garages, subway tunnels, underground shopping malls and the like are accelerated, the project quantity of deep foundation pit projects is increased, and an effective foundation pit supporting mode is one of measures for ensuring the successful completion of foundation pit projects.
At present, four main deep foundation pit supporting modes in China are as follows: the three support modes of slope placement, gravity type cement-soil walls, soil nailing walls and retaining structures are gradually eliminated in most economically developed cities, and the retaining structure becomes a main foundation pit support mode; a supporting and blocking structure: the method comprises the steps of steel sheet pile, SMW construction pile, cast-in-situ bored pile, underground continuous wall and four support structures, the steel sheet pile and the pile in the SMW construction method can be repeatedly used, has the characteristics of simple and quick construction, environmental protection and the like, is widely applied to the construction fields of hydraulic engineering, municipal administration, capital construction, industrial and civil construction and the like, the stock of the steel sheet pile is estimated to exceed 300 ten thousand tons, the rigidity of the steel sheet pile is not high, the deformation of a foundation pit is large, particularly in soft soil areas, the lateral deformation of a foundation pit can reach 70-80 centimeters, the traditional supporting structure is not sufficient to be supplemented and perfected by combining steel pipe supports by a PC construction method, cast-in-situ bored piles and SMW construction method piles are replaced to be used as the supporting structure of the foundation pit, the existing supporting structure is connected through columns, then the columns are connected through confining pieces, the use is inconvenient when the supporting structure is disassembled and recovered, and the lower fixed support and the circular pipes are inconvenient to fix.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides a recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system.
In order to achieve the purpose, the invention provides the following technical scheme: a recoverable PC construction method combined steel pipe pile and steel pipe section steel supporting system comprises a PC construction method pile, a supporting structure and a support, wherein the supporting structure comprises a Larsen pile and a steel pipe pile, hooks are welded on two sides of the steel pipe pile, the hooks on the side face of the Larsen pile are buckled on the hooks on the side face of the steel pipe pile, the PC construction method pile and the support arranged on three sides are enclosed to form a square structure, and the supporting structure is fixed inside the PC construction method pile and the square structure of the support;
the supporting structure comprises a main body supporting rod, a triangular connecting piece, auxiliary supports and connecting supports, the main body supporting rod and the connecting supports are enclosed to form a square frame, the side face of the square frame is supported through the auxiliary supports, the main body supporting rod is arranged in the middle of the supporting structure, the triangular connecting pieces are fixed at two ends of the main body supporting rod, and the triangular connecting pieces are connected with the auxiliary supports arranged on the side face of the supporting structure.
Preferably, the triangle connecting piece is the triangle structure, and all is provided with the strengthening rib on supporting the fixed plate three sides, and triangle connecting piece lower extreme slope limit width is greater than the width of enhancement riser end simultaneously, and the width on the right angle limit of triangle connecting piece both sides is greater than the width of auxiliary stay.
Preferably, the auxiliary stay includes reinforcing plate and supporting and fixing plate, and the reinforcing plate is day style of calligraphy structure, and the reinforcing plate both ends all are provided with the supporting and fixing plate that the width is the same with the reinforcing plate simultaneously, and all are provided with vertical strengthening rib on the supporting and fixing plate.
Preferably, the main part bracing piece includes three vertical enhancement risers and four horizontal enhancement diaphragms of group of three rows, and three rows of enhancement risers evenly set up to four groups of enhancement diaphragms evenly set up, strengthen the riser both ends simultaneously and all be provided with the enhancement diaphragm, and strengthen the riser both ends and can fix on the triangle connecting piece.
Preferably, the connection support comprises a connection transverse plate, an auxiliary mounting plate and a supporting rod, the width of the connection transverse plate is the same as that of the pressing transverse plate, a vertical reinforcing rib is arranged on the connection transverse plate, the auxiliary mounting plate inclined by 45 degrees is fixed on the inner side of the connection transverse plate, the vertical reinforcing rib is arranged on the auxiliary mounting plate, and the supporting rod inclined by 45 degrees is arranged on the side surface of the auxiliary mounting plate.
Preferably, the pressing transverse plate is of a square steel structure, threaded holes are formed in two ends of the pressing transverse plate, the side face of the pressing transverse plate can be fixed to the side face of the connecting support through bolts, and vertical reinforcing ribs are uniformly arranged on the pressing transverse plate.
Compared with the prior art, the invention has the beneficial effects that: the recoverable PC construction method combined steel pipe pile and steel pipe section steel supporting system adopts a PC construction method foundation pit supporting structure, solves the problems of wide and irregular construction area, poor soil quality, complex surrounding environment and the like, improves the production efficiency, saves the construction cost, reduces the resource consumption, adopts a supporting structure arranged inside, adopts bolts to assemble together, adopts auxiliary supports to form supporting triangles at corners and middle parts, improves the integral stability of the supporting structure, and adopts reinforcing ribs at structural joints and stress positions, reduces the weight of the supporting structure, increases the strength, can be disassembled and recycled, and reduces the use cost.
Drawings
FIG. 1 is an assembled view of the structure of the present invention;
FIG. 2 is a schematic view of a support structure of the present invention;
FIG. 3 is a schematic view of a corner of a support structure of the present invention;
FIG. 4 is a schematic diagram of a combination of the construction of the present invention;
FIG. 5 is a schematic view of the connection support of the structure of the present invention;
FIG. 6 is a schematic view of the pressing transverse plate of the present invention;
FIG. 7 is a schematic view of an auxiliary support structure according to the present invention;
FIG. 8 is a schematic view of a main body support bar of the present invention.
In the figure: 1. pile of PC method; 2. a support structure; 3. supporting; 4. a main body support bar; 5. a triangular connector; 6. auxiliary supporting; 7. connecting and supporting; 8. pressing the transverse plate; 9. larsen pile; 10. steel pipe piles; 11. connecting the transverse plates; 12. an auxiliary mounting plate; 13. a strut; 14. a reinforcing plate; 15. a support fixing plate; 16. reinforcing the vertical plate; 17. the transverse plate is reinforced.
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.
Referring to fig. 1-8, the present invention provides a technical solution: a recoverable PC construction method combined steel pipe pile and steel pipe section steel supporting system comprises a PC construction method pile 1, a supporting structure 2 and a support 3, wherein the supporting structure 2 comprises a Larsen pile 9 and a steel pipe pile 10, hooks are welded on two sides of the steel pipe pile 10, and the hooks on the side surface of the Larsen pile 9 are buckled on the hook bodies on the side surface of the steel pipe pile 10, the PC construction method pile 1 and the supports 3 arranged on three surfaces are enclosed to form a square structure, and a supporting structure 2 is fixed inside the square structure of the pile 1 and the support 3 in the PC construction method, the supporting structure 2 comprises a main supporting rod 4, a triangular connecting piece 5, an auxiliary support 6 and a connecting support 7, the outer sides of the main supporting rod 4 and the connecting support 7 are enclosed to form a square frame, and the side surface of the square frame is supported by an auxiliary support 6, the middle part of the support structure 2 is provided with a main body support rod 4, the two ends of the main body support rod 4 are fixed with triangular connecting pieces 5, and the triangular connecting pieces 5 are connected with auxiliary supports 6 arranged on the side surfaces of the support structures 2; the combined pile of the PC method adopts a steel pipe with the diameter of 630mm as a Larsen pile 9 formed by the steel pipe pile 10 and a steel plate for construction at intervals, the steel pipe pile 10 has large rigidity, the piles are connected by adopting a water-stop lock catch, and simultaneously have the functions of soil blocking and water stopping, the pile 1 of the PC method is constructed by adopting special equipment, the construction speed is high, no slurry pollution is caused, a fender post can be recovered, the cost is saved, the construction of the pile 1 of the PC method is mainly a vibration method, before the construction, a proper pile sinking machine is selected according to the condition of the project to be constructed, including geological condition, surrounding environment condition, pile diameter and the like, before the construction of the steel pipe pile 10, the measurement, lofting and rechecking and acceptance are carried out according to a pile position layout drawing, the placing positions of material resources such as the steel pipe pile 10, the Larsen pile 9 and the like are installed according to the determined construction sequence, a guide ditch is excavated according to the axis of the combined steel pipe pile of, the chassis of the three-pivot pile foundation is kept horizontal, the allowable plane deviation is +/-20 mm, the verticality deviation of the upright post guide frame is not more than 1/250, when the pile is sunk, the abnormal conditions of inclination of a pile body, lateral movement, damage of the pile body or difficulty in pile sinking and the like occur, pile sinking is stopped, construction can be continued after finding reasons and performing necessary treatment, the pile body is strictly forbidden to collide with a pile machine when the pile is hung, the pile body is prevented from being damaged, a support 3 is fixed on a PC construction method pile 1 to form a square support structure in a surrounding mode, then a support structure 2 is fixed inside the PC construction method pile 1 and the support 3, a pressing transverse plate 8 and a connecting support 7 are fixed at the corner through bolts, connecting supports 7 are arranged outside a right angle formed by two groups of pressing transverse plates 8, the connecting supports 7 on two sides are connected through the auxiliary supports 6, the strength of the corner of the support structure 2 is effectively enhanced, and two groups of auxiliary, and supplementary support 6 connects triangular connectors 5 through main part bracing piece 4, supports the effect of strengthening bearing structure 2 to at bearing structure 2 below support post, can with the stand of placing between the main part bracing piece 4 on, more convenient fixed than the cylinder structure, in the time of the split simultaneously, will press and put diaphragm 8 and joint support 7 junction and dismantle the bolt, with the bearing structure 2 split, retrieve and recycle.
The triangular connecting piece 5 is of a triangular structure, reinforcing ribs are arranged on three sides of the supporting and fixing plate 15, the width of the inclined edge at the lower end of the triangular connecting piece 5 is larger than the width of the end of the reinforced vertical plate 16, the width of the right-angle edge at two sides of the triangular connecting piece 5 is larger than the width of the auxiliary support 6, the triangular connecting piece 5 can be stably connected with the auxiliary support 6 and the main supporting rod 4, the reinforcing ribs arranged on the triangular connecting piece 5 effectively increase the overall strength of the triangular connecting piece 5, the auxiliary support 6 comprises a reinforcing plate 14 and a supporting and fixing plate 15, the reinforcing plate 14 is of a structure in a shape like the Chinese character 'ri', the supporting and fixing plate 15 with the same width as the reinforcing plate 14 is arranged at two ends of the reinforcing plate 14, vertical reinforcing ribs are arranged on the supporting and fixing plate 15, the strength of the joint of, the main body bracing piece 4 includes three vertical enhancement risers 16 and four horizontal enhancement diaphragm 17 of group, and three rows of enhancement risers 16 evenly set up to four groups of enhancement diaphragms 17 evenly set up, and main body bracing piece 4 is greater than the support intensity of auxiliary stay 6, strengthens riser 16 both ends simultaneously and all is provided with enhancement diaphragm 17, and strengthens riser 16 both ends and can fix on triangle connecting piece 5, and fixed effect is better.
The connecting support 7 comprises a connecting transverse plate 11, an auxiliary mounting plate 12 and a support rod 13, the width of the connecting transverse plate 11 is the same as that of the pressing transverse plate 8, and the connecting transverse plate 11 is provided with a vertical reinforcing rib which plays a role of fixing the auxiliary support 6 without welding construction, meanwhile, an auxiliary mounting plate 12 inclined at 45 degrees is fixed on the inner side of the connecting transverse plate 11, a vertical reinforcing rib is arranged on the auxiliary mounting plate 12, and the side of the auxiliary mounting plate 12 is provided with a supporting rod 13 inclined by 45 degrees, the supporting force on the auxiliary support 6 is transmitted to the supporting rod 13 and then transmitted to the connecting transverse plate 11, the pressing transverse plate 8 is of a square steel structure, and both ends of the pressing transverse plate 8 are provided with screw holes, and the lateral surfaces of the pressing transverse plates 8 can be fixed on the lateral surfaces of the connecting supports 7 through bolts, vertical reinforcing ribs are uniformly arranged on the pressing transverse plates 8, and the two groups of pressing transverse plates 8 can be vertically fixed together at the corners.
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 (6)
1. The utility model provides a recoverable PC worker method combination steel-pipe pile adds steel pipe shaped steel support system, includes PC worker method stake (1), bearing structure (2) and strut (3), its characterized in that: the supporting structure (2) comprises a Larsen pile (9) and a steel pipe pile (10), hooks are welded on two sides of the steel pipe pile (10), the hooks on the side face of the Larsen pile (9) are buckled on the hooks on the side face of the steel pipe pile (10), a square structure is formed by enclosing the PC construction method pile (1) and supports (3) arranged on three sides, and the supporting structure (2) is fixed inside the square structure of the PC construction method pile (1) and the supports (3);
bearing structure (2) are including main part bracing piece (4), triangle connecting piece (5), auxiliary stay (6) and joint support (7), and enclose to close in main part bracing piece (4) and joint support (7) outside and form the square frame to the square frame side is supported through auxiliary stay (6), and bearing structure (2) middle part is provided with main part bracing piece (4), and main part bracing piece (4) both ends are fixed with triangle connecting piece (5), and triangle connecting piece (5) are connected with auxiliary stay (6) that bearing structure (2) side set up.
2. The recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system as claimed in claim 1, which is characterized in that: triangle connecting piece (5) are the triangle structure, and all are provided with the strengthening rib on supporting fixed plate (15) three edges, and triangle connecting piece (5) lower extreme slope limit width is greater than reinforced riser (16) end width simultaneously, and the width on the right angle limit of triangle connecting piece (5) both sides is greater than the width of auxiliary stay (6).
3. The recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system as claimed in claim 1, which is characterized in that: auxiliary stay (6) are including reinforcing plate (14) and support fixed plate (15), and reinforcing plate (14) are day style of calligraphy structure, and reinforcing plate (14) both ends all are provided with width and the same support fixed plate (15) of reinforcing plate (14) simultaneously, and all are provided with vertical strengthening rib on support fixed plate (15).
4. The recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system as claimed in claim 1, which is characterized in that: the main body supporting rod (4) comprises three rows of vertical reinforced vertical plates (16) and four groups of transverse reinforced transverse plates (17), the three rows of reinforced vertical plates (16) are uniformly arranged, the four groups of reinforced transverse plates (17) are uniformly arranged, the two ends of each reinforced vertical plate (16) are provided with reinforced transverse plates (17), and the two ends of each reinforced vertical plate (16) can be fixed on the triangular connecting piece (5).
5. The recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system as claimed in claim 1, which is characterized in that: the connecting support (7) comprises a connecting transverse plate (11), an auxiliary mounting plate (12) and a supporting rod (13), the width of the connecting transverse plate (11) is the same as that of the pressing transverse plate (8), a vertical reinforcing rib is arranged on the connecting transverse plate (11), the auxiliary mounting plate (12) inclined by 45 degrees is fixed on the inner side of the connecting transverse plate (11), the vertical reinforcing rib is arranged on the auxiliary mounting plate (12), and the supporting rod (13) inclined by 45 degrees is arranged on the side surface of the auxiliary mounting plate (12).
6. The recyclable PC construction method combined steel pipe pile and steel pipe section steel supporting system as claimed in claim 1, which is characterized in that: the pressing transverse plate (8) is of a square steel structure, threaded holes are formed in two ends of the pressing transverse plate (8), the side face of the pressing transverse plate (8) can be fixed to the side face of the connecting support (7) through bolts, and vertical reinforcing ribs are uniformly arranged on the pressing transverse plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010293073.XA CN111441364A (en) | 2020-04-15 | 2020-04-15 | Recoverable PC worker method combination steel-pipe pile adds steel pipe shaped steel support system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010293073.XA CN111441364A (en) | 2020-04-15 | 2020-04-15 | Recoverable PC worker method combination steel-pipe pile adds steel pipe shaped steel support system |
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| CN111441364A true CN111441364A (en) | 2020-07-24 |
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| CN202010293073.XA Pending CN111441364A (en) | 2020-04-15 | 2020-04-15 | Recoverable PC worker method combination steel-pipe pile adds steel pipe shaped steel support system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914327A (en) * | 2021-11-08 | 2022-01-11 | 浙江乔兴建设集团有限公司 | Construction method for foundation pit enclosure and earth excavation |
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