CN217782067U - Supporting construction for underpass railway section utility tunnel foundation pit - Google Patents
Supporting construction for underpass railway section utility tunnel foundation pit Download PDFInfo
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- CN217782067U CN217782067U CN202122299196.7U CN202122299196U CN217782067U CN 217782067 U CN217782067 U CN 217782067U CN 202122299196 U CN202122299196 U CN 202122299196U CN 217782067 U CN217782067 U CN 217782067U
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Abstract
The utility model discloses a wear railway section utility tunnel supporting construction for foundation ditch down, belong to supporting construction technical field, solve same pile position, if the degree of depth of pile is too dark, adopt the steel sheet pile of length overlength, all require and highly with pile equipment to the transportation, thereby easily cause transportation and pile difficulty, the length of adoption is improper, the pile depth of pile that easily causes longitudinal position is not up to standard, or need vertically beat many steel sheet piles, easily cause two liang of adjacent steel sheet piles not on same straight line, thereby cause adjacent steel sheet pile difficult fixed together, influence the steadiness of two liang of steel sheet piles. The utility model discloses a setting is at the steel sheet pile of foundation ditch both sides, the I-steel of two liang of fixed steel sheet piles, supports the steel pipe of the I-steel of opposite side, and the adjacent end of the steel sheet pile of vertical setting is provided with a pair of clamping piece and another steel sheet pile on the tip of a steel sheet pile and cooperatees. The utility model is used for the excavation supporting.
Description
Technical Field
The utility model provides a wear railway section utility tunnel supporting construction for foundation ditch for underground support, belongs to supporting construction technical field.
Background
The utility tunnel is an underground city pipeline utility tunnel, namely, a tunnel space is built underground the city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing city operation.
Aiming at supporting of a comprehensive pipe gallery foundation pit of a underpass railway section, a supporting structure commonly adopted in the prior art comprises steel plate piles arranged on two sides of the foundation pit, I-shaped steel for fixing the two steel plate piles, and steel pipes for supporting the I-shaped steel on the opposite side.
The underpass railway section utility tunnel underground structure among the prior art has following problem:
1. the steel sheet pile is the fixed length usually, in same pile position, if the degree of depth of piling is too dark, adopts the steel sheet pile of length overlength, all requires and the height with pile equipment to transportation, thereby easily cause transportation and pile difficulty, the length of adoption is improper, easily causes the pile depth of longitudinal position not up to standard, or need vertically to beat many steel sheet piles, easily causes two adjacent steel sheet piles not on same straight line, thereby causes adjacent steel sheet pile difficult fixes together, influences the steadiness of two steel sheet piles;
2. the piling depths of two adjacent steel sheet piles are different, so that the problem that the I-shaped steel is not fixed at a fixed point easily and the fixing difficulty is increased is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear railway section comprehensive pipe gallery supporting construction for foundation ditch down, solve same pile position, if the degree of depth of pile is too dark, adopt the steel sheet pile of length overlength, all require and height with the pile equipment to transportation, thereby easily cause transportation and pile difficulty, the length of adoption is improper, the pile degree of depth that easily causes longitudinal position is not up to standard, or need vertically beat many steel sheet piles, easily cause two adjacent steel sheet piles not on same straight line, thereby cause adjacent steel sheet pile difficult fixing together, influence the steadiness of two steel sheet piles.
In order to realize the purpose, the utility model discloses a technical scheme be:
a supporting structure for a foundation pit of a comprehensive pipe gallery in a down-penetrating railway section comprises steel plate piles arranged on two sides of the foundation pit, I-shaped steel for fixing the two steel plate piles, steel pipes for supporting the I-shaped steel on the opposite sides, and adjacent ends of the longitudinally arranged steel plate piles, wherein a pair of clamping pieces are arranged on the end part of one steel plate pile and matched with the other steel plate pile.
Furthermore, the clamping pieces and the adjacent steel sheet piles are correspondingly provided with threaded holes, and the clamping pieces are fixed through bolts and nuts arranged in the threaded holes.
Furthermore, the upper end part of the adjacent side of the steel sheet piles arranged in the transverse direction of the topmost row is provided with a limiting piece which is contacted with the end part of the turned edge of another steel sheet pile on the turned edge of one side of one steel sheet pile so as to realize longitudinal limiting.
Furthermore, the clamping piece is arranged at the upper end of the steel sheet pile and is arranged on the long edge of the end part of the steel sheet pile;
a T-shaped frame is arranged in the clamping piece of the steel sheet pile at the topmost row and the same side corresponding to the arrangement position of the steel pipe;
the T-shaped frame comprises a vertical plate arranged in the clamping plate and a transverse plate arranged on the vertical plate, wherein a first fixing structure fixed with the ground is arranged on one side of the transverse plate, and a second fixing structure for fixing the steel pipe is arranged on the other side of the transverse plate.
Further, the first fixing structure comprises soil nails inserted into the ground through the transverse plate;
the second fixing structure comprises a sliding sleeve sleeved on the transverse plate, a longitudinal supporting plate arranged on the sliding sleeve, and a fixing hole which is arranged on the longitudinal supporting plate and is provided with an opening corresponding to the mounting position of the steel pipe.
Further, the number of the sliding sleeves is at least two;
mounting holes are formed in the sliding sleeve and the transverse plate, and bolts are arranged on the corresponding mounting holes to fix the sliding sleeve and the transverse plate.
Furthermore, a reinforcing mesh is arranged on the soil nails on the upper surfaces of the adjacent transverse plates, and a concrete layer is poured on the reinforcing mesh.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a setting up the clamping piece and cooperating with vertical adjacent steel sheet pile, can realize the degree of depth requirement of piling through beating many steel sheet piles, not only be convenient for transport and pile, after the pile, vertical two adjacent steel sheet piles are located same straight line, adjacent steel sheet pile also fixes together easily, has strengthened the steadiness of two steel sheet piles;
2. the utility model discloses a set up the bolt in the screw hole that clamping piece and adjacent steel sheet pile set up correspondingly, and fix with the nut, be in order to prevent in the pile driving process, under the clamping piece and the adjacent steel sheet pile unfixed condition, easily cause the steel sheet pile to separate, pile driving position goes on the deviation scheduling problem;
3. the limiting piece is arranged in the utility model to ensure that the piling depth of two adjacent steel sheet piles is the same, and to realize fixed-point fixing of the I-shaped steel, the fixing is simple and convenient, and the like;
4. the utility model discloses a set up T type frame in the clamping piece of the steel sheet pile of the row of topmost, and then fix the steel sheet pile on ground through the first fixed knot structure that sets up on the T type frame to strengthen the steel sheet pile and pass the stability of railway section utility tunnel excavation process under, and realize steel pipe and I-steel quick installation through the fixed steel pipe of second fixed knot structure;
5. the utility model discloses a first fixed knot constructs for the soil nail is convenient for squeeze into ground and realizes fixing, and the slip cap of second fixed knot constructs is convenient for adjust the position on the diaphragm according to the demand to exert a pulling force to the steel pipe through vertical backup pad, be convenient for dock with the I-steel fast, and realize fixing;
6. the utility model discloses under the condition of limiting sliding sleeve to be one, can realize with the vertical backup pad on the offside steadily to carry and draw the steel pipe, if set up to a plurality of, can realize steadily to carry and draw a certain section of steel pipe to be convenient for between each section of steel pipe, and between the steel pipe of both sides and the I-steel fixed;
7. the utility model discloses set up the reinforcing bar net on the soil nail to pour concrete layer on the reinforcing bar net, the purpose is in order to strengthen the fixed effect on soil nail and ground, thereby makes supporting construction's firm effect better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic view of the cooperation of a steel sheet pile, a T-shaped frame, a first fixing structure and a second fixing structure of the present invention, wherein an i-shaped steel and a steel pipe are conventional and not shown in the drawing;
FIG. 2 is a schematic view of the steel sheet pile of the present invention;
fig. 3 is a schematic view of the T-shaped frame, the first fixing structure and the second fixing structure of the present invention;
in the figure: 1-steel sheet pile, 2-clamping piece, 3-threaded hole, 4-limiting piece, 5-vertical plate, 6-transverse plate, 7-soil nail, 8-sliding sleeve, 9-longitudinal supporting plate, 10-fixing hole, 11-mounting hole, 12-reinforcing mesh and 13-concrete layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "installed," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Example 1
In order to solve same pile position, if the degree of depth of pile is too dark, adopt the steel sheet pile of length overlength, all require and the height with pile equipment to transportation, thereby easily cause transportation and pile difficulty, the length of adoption is improper, easily cause the pile degree of depth of longitudinal position not up to standard, or need vertically beat many steel sheet piles, easily cause two adjacent steel sheet piles not on same straight line, thereby cause adjacent steel sheet pile difficult fixed together, influence the steadiness of two steel sheet piles. As shown in fig. 1, a supporting structure for a foundation pit of a comprehensive pipe gallery in a down-through railway section is provided, which comprises steel sheet piles 1 arranged at two sides of the foundation pit, i-shaped steel for fixing the two steel sheet piles, steel pipes for supporting the i-shaped steel at the opposite sides, adjacent ends of the steel sheet piles 1 longitudinally arranged, and a pair of clamping pieces 2 arranged on the end part of one steel sheet pile 1 and matched with the other steel sheet pile 1.
In practice, one steel sheet pile 1 is firstly driven at one position, under the condition that the pile driving depth does not reach the standard, two steel sheet piles 1 are clamped together through clamping pieces 2, then the pile driving is continued downwards until the required depth requirement is met, the pile driving is sequentially carried out at the next position by adopting the mode, after all the steel sheet piles are driven, I-shaped steel and steel pipes are sequentially installed in the process of digging down the comprehensive pipe gallery foundation pit at the section of the through railway, and the supporting effect on the comprehensive pipe gallery foundation pit at the section of the through railway is achieved.
Example 2
On embodiment 1's basis, correspond on clamping piece 2 and the adjacent steel sheet pile 1 and be provided with screw hole 3, fix through setting up screw bolt and nut in the screw hole 3, be in order to prevent the pile in-process, under clamping piece 2 and the unfixed condition of adjacent steel sheet pile, easily cause the separation of steel sheet pile, deviation scheduling problem appears in the pile position.
Example 3
On the basis of the embodiment 2, as shown in fig. 3, the upper end portion of the adjacent side of the topmost row of transversely arranged steel sheet piles 1, one side of the steel sheet pile 1 is curled and provided with a limiting piece 4 which is contacted with the curled end portion of the other steel sheet pile 1 to realize longitudinal limiting. The limiting pieces are arranged to ensure that the piling depth of two adjacent steel sheet piles is the same, and the I-shaped steel piles are fixed at fixed points, so that the fixing is simple and convenient.
Example 4
On the basis of embodiment 3, as shown in fig. 2, the clip 2 is disposed at the upper end of the steel sheet pile 1 and on the long side of the end of the steel sheet pile 1, in order to prevent the subsequent arrangement from being affected; a T-shaped frame is arranged in the clamping piece 2 of the steel sheet pile 1 at the topmost row and the same side corresponding to the arrangement position of the steel pipe;
the T-shaped frame comprises a vertical plate 5 arranged in the clamping piece 2 and a transverse plate 6 arranged on the vertical plate 5, wherein a first fixing structure fixed with the ground is arranged on one side of the transverse plate 6, and a second fixing structure for fixing a steel pipe is arranged on the other side of the transverse plate. Through set up T type frame in the clamping piece of the steel sheet pile of the row of topmost, the first fixed knot who sets up on the rethread T type frame is fixed the steel sheet pile on ground to strengthen the steel sheet pile and wear the stability of railway section utility tunnel foundation ditch excavation process under, and realize steel pipe and I-steel quick installation through the fixed steel pipe of second fixed knot structure (to lifting fixed steel pipe).
Example 5
On the basis of the embodiment 4, the first fixing structure comprises a soil nail 7 inserted into the ground through the transverse plate 6, and the first fixing structure is used for fixing the soil nail by being driven into the ground conveniently; the second fixed knot constructs including the cover establish the slip cap 8 on the diaphragm 6, sets up the vertical backup pad 9 on slip cap 8, set up on the vertical backup pad 9 with the open-sided fixed orifices 10 of the corresponding side opening of steel pipe mounted position, the slip cap of second fixed knot structure is convenient for adjust the position according to the demand on the diaphragm to apply one through vertical backup pad to the steel pipe and carry the pulling force, be convenient for dock with the I-steel fast, and realize fixing. The number of the sliding sleeves 8 is at least one, and when the number of the sliding sleeves is one, the steel pipes can be stably lifted with the longitudinal support plates on the opposite sides (namely, the steel pipes are fixed at the designated positions by the upward acting force of the longitudinal support plates on the two sides so as to realize the subsequent butt joint and fixation with the I-shaped steel); mounting holes 11 are formed in the sliding sleeve 8 and the transverse plate 6, and bolts are arranged on the corresponding mounting holes for fixing.
Example 6
On the basis of the embodiment 5, the soil nails 7 adjacent to the upper surface of the horizontal plate 6 are provided with the reinforcing mesh 12, and the reinforcing mesh 12 is poured with the concrete layer 13, so as to enhance the fixing effect of the soil nails and the ground, thereby ensuring better stabilizing effect of the supporting structure.
Claims (7)
1. The utility model provides a wear railway section utility tunnel supporting construction for foundation ditch down, is including setting up steel sheet pile (1) in the foundation ditch both sides, the I-steel of two fixed steel sheet piles (1), the steel pipe of the I-steel of support opposite side, its characterized in that: the adjacent ends of the steel sheet piles (1) which are longitudinally arranged, and the end part of one steel sheet pile (1) is provided with a pair of clamping pieces (2) which are matched with the other steel sheet pile (1).
2. The supporting structure for the underpass railway section utility tunnel foundation pit according to claim 1, characterized in that: the clamping pieces (2) and the adjacent steel sheet piles (1) are correspondingly provided with threaded holes (3), and bolts and nuts are arranged in the threaded holes (3) to fix the steel sheet piles.
3. The supporting structure for the underpass railway section utility tunnel foundation pit according to claim 2, characterized in that: the upper end part of the adjacent side of the steel sheet piles (1) arranged transversely at the top row, and a limiting piece (4) which is contacted with the end part of the curled edge of the other steel sheet pile (1) to realize longitudinal limiting is arranged on the curled edge at one side of one steel sheet pile (1).
4. The supporting structure for the underpass railway section utility tunnel foundation pit according to claim 3, characterized in that: the clamping piece (2) is arranged at the upper end of the steel sheet pile (1) and is arranged on the long edge of the end part of the steel sheet pile (1);
a T-shaped frame is arranged in the clamping piece (2) of the steel sheet pile (1) at the topmost row and the same side corresponding to the arrangement position of the steel pipe;
the T-shaped frame comprises a vertical plate (5) arranged in the clamping piece (2) and a transverse plate (6) arranged on the vertical plate (5), wherein a first fixing structure fixed with the ground is arranged on one side of the transverse plate (6), and a second fixing structure for fixing the steel pipe is arranged on the other side of the transverse plate.
5. The supporting structure for the underpass railway section comprehensive pipe gallery foundation pit according to claim 4, characterized in that: the first fixing structure comprises a soil nail (7) inserted into the ground through the transverse plate (6);
the second fixing structure comprises a sliding sleeve (8) sleeved on the transverse plate (6), a longitudinal supporting plate (9) arranged on the sliding sleeve (8), and a fixing hole (10) which is arranged on the longitudinal supporting plate (9) and is provided with an opening corresponding to the mounting position of the steel pipe and is open laterally.
6. The supporting structure for the underpass railway section comprehensive pipe gallery foundation pit according to claim 5, characterized in that: at least one sliding sleeve (8) is arranged;
mounting holes (11) are formed in the sliding sleeve (8) and the transverse plate (6), and bolts are arranged in the corresponding mounting holes to fix the sliding sleeve and the transverse plate.
7. The supporting structure for the underpass railway section comprehensive pipe gallery foundation pit according to claim 6, characterized in that: a reinforcing mesh (12) is arranged on the soil nails (7) on the upper surface of the adjacent transverse plate (6), and a concrete layer (13) is poured on the reinforcing mesh (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299196.7U CN217782067U (en) | 2021-09-18 | 2021-09-18 | Supporting construction for underpass railway section utility tunnel foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299196.7U CN217782067U (en) | 2021-09-18 | 2021-09-18 | Supporting construction for underpass railway section utility tunnel foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217782067U true CN217782067U (en) | 2022-11-11 |
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ID=83903507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122299196.7U Active CN217782067U (en) | 2021-09-18 | 2021-09-18 | Supporting construction for underpass railway section utility tunnel foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217782067U (en) |
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2021
- 2021-09-18 CN CN202122299196.7U patent/CN217782067U/en active Active
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