CN218437091U - Steel shotcrete and bored concrete pile connection structure - Google Patents

Steel shotcrete and bored concrete pile connection structure Download PDF

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Publication number
CN218437091U
CN218437091U CN202222355977.8U CN202222355977U CN218437091U CN 218437091 U CN218437091 U CN 218437091U CN 202222355977 U CN202222355977 U CN 202222355977U CN 218437091 U CN218437091 U CN 218437091U
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piece
embedded
ship
steel
cutting
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李永奎
金涛
何达
杨贵勇
徐海涛
唐科行
徐宇
陈子龙
龙红宇
汪琳
李�瑞
陈理
单源椿
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CREEC Chengdu Survey Design and Research Co Ltd
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CREEC Chengdu Survey Design and Research Co Ltd
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Abstract

The utility model relates to a steel shotcrete and bored concrete pile connection structure, including under pass the trough of a ship framework and inner support, inner support includes the bracing piece and sets up the pre-buried connecting piece at bracing piece both ends, pre-buried connecting piece includes pre-buried piece, first connecting piece and second connecting piece, pre-buried piece is used for pre-buried in under pass the trough of a ship framework when pouring under pass the trough of a ship framework, first connecting piece is used for connecting pre-buried piece and bracing piece together, a part of first connecting piece is located under pass the trough of a ship framework, another part is located under pass the trough of a ship framework, the part that first connecting piece is located under pass the trough of a ship framework is used for the constructor to cut, in order to drive the bracing piece to be located under pass the trough of a ship framework and take off, second connecting piece is used for connecting pre-buried piece to the bored concrete pile of foundation ditch lateral wall, in order to make under pass the trough of a ship framework connect to the bored concrete pile; this application has and prevents to put through the advantage that the hull groove framework when pouring to existing high-speed railway produces the influence internally supporting demolish.

Description

Steel shotcrete and bored concrete pile connection structure
Technical Field
The application relates to the field of foundation pit supporting construction, in particular to a steel support and cast-in-place pile connecting structure.
Background
Along with the rapid development of the urbanization construction in China and the complication of traffic routes, the situation of excavating a foundation pit below a high-speed railway is more and more, when the foundation pit is positioned below the high-speed railway, two sides of the foundation pit are adjacent to piers of the high-speed railway, after foundation soil is excavated in the foundation pit, in order to prevent the piers from shifting due to excavation of the foundation pit, a plurality of inner supports are arranged on the inner wall of the foundation pit, when a ship-passing groove frame body needs to be poured in the foundation pit, the inner supports need to be firstly dismantled to prevent the influence on pouring of the ship-passing groove frame body, but the time for pouring the ship-passing groove frame body is longer, the piers can be shifted at the moment, when the shifting distance of the piers is larger, the serious influence can be generated on the existing high-speed railway.
Disclosure of Invention
In order to prevent to exert an influence to existing high-speed railway when dismantling to wearing the ship groove framework to pour internal support, this application provides a steel shotcrete and bored concrete pile connection structure.
The application provides a steel shotcrete and bored concrete pile connection structure adopts following technical scheme:
the utility model provides a steel shotcrete and bored concrete pile connection structure, includes lower ship groove framework and interior supporting part, interior supporting part includes the bracing piece and sets up the embedded connector at the bracing piece both ends, embedded connector includes embedded part, first connecting piece and second connecting piece, the embedded part is used for pre-buried in the ship groove framework of wearing under when pouring the ship groove framework of wearing, first connecting piece is used for being connected to embedded part and bracing piece together, partly of first connecting piece is located the ship groove framework of wearing under, and another part is located the ship groove framework of wearing under outside, the part that first connecting piece is located the ship groove framework of wearing under is used for supplying the workman to cut, takes off under with driving the bracing piece is located the ship groove framework of wearing under, the second connecting piece is used for on being connected to the bored concrete pile of foundation ditch lateral wall with the embedded part, so that the ship groove framework of wearing is connected to the bored concrete pile under.
By adopting the technical scheme, when the lower ship trough frame body is poured, the second connecting piece and the embedded piece are directly poured in the lower ship trough frame body, and meanwhile, part of the first connecting piece is poured in the lower ship trough frame body, so that a constructor does not need to detach the inner supporting piece to pour the lower ship trough frame body, the adjacent bridge piers are prevented from being displaced due to the detachment of the inner supporting piece, the influence on an existing height railway is prevented, after the constructor finishes pouring the lower ship trough frame body, the support rod can be detached by cutting off the part of the first connecting piece, which is positioned outside the lower ship trough frame body, the influence on the use of the lower ship trough frame body by the support rod is prevented, and the constructor can conveniently detach the support rod; and pour the built-in fitting in the ship groove frame of wearing under for the built-in fitting has improved the pouring intensity of the ship groove frame of wearing under, pour the second connecting piece in the ship groove frame of wearing under and fix the second connecting piece with the bored concrete pile of foundation ditch, improved the joint strength between ship groove frame of wearing under and the bored concrete pile of foundation ditch, improved the fixed effect to the ship groove frame of wearing under.
Optionally, the embedded part includes an embedded block, and a plurality of protrusions located in the poured ship-through trough frame are arranged on the embedded block.
Through adopting above-mentioned technical scheme, when the buried block is wholly pour under in the ship groove framework, bellied setting has increased the buried block and has worn the effect of being connected between the ship groove framework down, and the wholeness is better, harm such as seepage should not appear.
Optionally, the pre-buried piece adopts the concrete prefabrication to form, is provided with a plurality of connecting reinforcement in the prefabricated pre-buried piece, connecting reinforcement's one end is located the pre-buried piece, and the other end is worn out the pre-buried piece and is set up in the bored concrete pile of foundation ditch lateral wall.
Through adopting above-mentioned technical scheme, the setting up of connecting reinforcement can make the buried block pour and realize being connected fixedly to wearing the bored concrete pile of ship groove frame internal back and foundation ditch down to the joint strength who wears ship groove frame and foundation ditch bored concrete pile has indirectly been improved.
Optionally, the first connecting piece includes first connecting plate, second connecting plate and cutting piece, first connecting plate is fixed to be set up on the tip of bracing piece, the second connecting plate is fixed to be set up on the buried piece in advance, the cutting piece is fixed to be set up between first connecting plate and second connecting plate, a part of cutting piece is located and wears the ship cell frame under, and another part is located and wears the ship cell frame under outside, the cutting piece is located and wears the ship cell frame outside the part and be used for supplying constructor cutting.
Through adopting above-mentioned technical scheme, the setting that adopts first connecting plate and second connecting plate is convenient for fix the cutting member to pre-buried piece and bracing piece on, realizes that the connection installation of transition is fixed, and operating personnel only need be located and wear the outer cutting member excision of ship slot frame down and can realize demolising of bracing piece, and is convenient simple.
Optionally, a plurality of first embedded steel bars which are embedded in a prefabricated embedded block are fixedly arranged on the second connecting plate, and the first embedded steel bars are fixedly arranged on the connecting steel bars.
By adopting the technical scheme, when the embedded block is poured, the plurality of first embedded steel bars are directly poured in the embedded block, so that the cutting piece is fixed on the embedded block, the cutting piece is fixed, the fixing effect is better by adopting the arrangement of the plurality of first embedded steel bars, and the supporting effect of the inner supporting piece on the foundation pit is indirectly improved; the fixed setting of a plurality of first embedded steel bars is on connecting reinforcement for second connecting plate, buried block and bored concrete pile form a whole, thereby further improved the fixed effect of fixing the bracing piece to on the bored concrete pile, thereby improved the support effect of bracing piece, and wear the ship groove framework at present and pour the back, improved the intensity of wearing the ship groove framework down.
Optionally, the second connecting piece includes first mounting panel, second mounting panel and installed part, first mounting panel is fixed to be set up on the buried block in advance, the fixed bored concrete pile that sets up on the foundation ditch lateral wall of second mounting panel, the fixed setting of installed part is between first mounting panel and second mounting panel, first mounting panel, second mounting panel and installed part are all pour and are worn the ship slot frame under in vivo.
Through adopting above-mentioned technical scheme, the setting that adopts first mounting panel and second mounting panel is convenient for with the fixed setting of installed part on the bored concrete pile of pre-buried piece and foundation ditch lateral wall, realizes that the installation of transition volume is fixed, adopts setting up its simple structure of first mounting panel, second mounting panel and installed part, has improved and will wear the fixed effect of ship groove framework fixed to the bored concrete pile down.
Optionally, a plurality of second embedded bars used for embedding in a prefabricated embedded block are fixedly arranged on the first mounting plate, the second embedded bars are fixedly arranged on the connecting bars, the second embedded bars and the first embedded bars are arranged in a staggered mode, and the first mounting plate is fixedly arranged on the embedded block through the second embedded bars.
By adopting the technical scheme, when the embedded block is poured, the plurality of second embedded steel bars are directly poured in the embedded block, so that the mounting piece is fixed on the embedded block, the mounting piece is fixed, the fixing effect is better by adopting the plurality of second embedded steel bars, and the fixing effect of fixing the underpass ship trough frame body on the foundation pit side wall cast-in-place pile is indirectly improved; the second embedded steel bars are fixedly arranged on the connecting steel bars, so that the first mounting plate, the embedded blocks and the cast-in-place pile form a whole, the fixing effect of fixing the support rods on the cast-in-place pile is further improved, the supporting effect of the support rods is improved, and the strength of the lower ship trough frame is improved after the lower ship trough frame is poured; the first embedded steel bars and the second embedded steel bars are arranged in a staggered mode, so that stress on two sides of the embedded block is uniform, the fixing effect of the inner supporting piece in the foundation pit is improved, and the strength of the embedded block for penetrating through the ship groove frame body is improved.
Optionally, a plurality of third embedded steel bars used for being inserted into the cast-in-place piles on the side wall of the foundation pit are fixedly arranged on the second mounting plate, and the second mounting plate is fixedly arranged on the cast-in-place piles on the side wall of the foundation pit through the plurality of third embedded steel bars.
Through adopting above-mentioned technical scheme, when needs are fixed the second mounting panel to the bored concrete pile on, directly drive the third embedded steel bar with the second mounting panel and peg graft to the bored concrete pile in to realized the fixed to the second mounting panel, adopt the fixed mode convenient simple that sets up of a plurality of third embedded steel bars, improved the fixed effect to the second mounting panel, thereby indirectly improved with the fixed effect of bracing piece and will wear the fixed effect to the bored concrete pile of ship groove framework down.
Optionally, it is provided with the reinforcing bar net piece to wear the ship groove framework down, the cutting piece includes a plurality of cutting I-steel, and is a plurality of the cutting I-steel is fixed to be set up between first connecting plate and second connecting plate, the installed part includes a plurality of installation I-steel, and is a plurality of the installation I-steel is fixed to be set up between first mounting panel and second mounting panel, and is a plurality of the cutting I-steel passes the mesh of reinforcing bar net piece, and is a plurality of the installation I-steel passes the mesh of reinforcing bar net piece.
By adopting the technical scheme, the strength of the lower ship trough frame body after pouring is improved by adopting the arrangement of the reinforcing mesh, and the installation I-shaped steel and the cutting I-shaped steel penetrate through the meshes of the reinforcing mesh, so that the installation I-shaped steel and the cutting I-shaped steel are prevented from influencing the pouring of the lower ship trough frame body; after the supporting rod is detached, the installation I-steel and the cutting I-steel reserved in the lower ship-passing trough frame body are staggered with the reinforcing mesh, and the strength of the lower ship-passing trough frame body is further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the lower ship trough frame body is poured, the second connecting piece and the embedded part are directly poured in the lower ship trough frame body, and meanwhile, part of the first connecting piece is poured in the lower ship trough frame body, so that a constructor does not need to detach the inner supporting piece to pour the lower ship trough frame body, the adjacent bridge piers are prevented from being displaced due to the detachment of the inner supporting piece, the influence on an existing high-altitude railway is prevented, after the constructor finishes pouring the lower ship trough frame body, the support rod can be detached by cutting off the part of the first connecting piece, which is positioned outside the lower ship trough frame body, the influence on the use of the lower ship trough frame body by the support rod is prevented, and the constructor can conveniently detach the support rod; the embedded part is poured into the lower ship-through groove frame body, so that the pouring strength of the lower ship-through groove frame body is improved by the embedded part, the second connecting part is poured into the lower ship-through groove frame body and is fixed with the cast-in-place pile of the foundation pit, the connecting strength between the lower ship-through groove frame body and the cast-in-place pile of the foundation pit is improved, and the fixing effect of the lower ship-through groove frame body is improved;
2. when the embedded block is poured, the plurality of first embedded steel bars are directly poured in the embedded block, so that the cutting piece is fixed on the embedded block, the fixing effect of the cutting piece is realized, the fixing effect is better by adopting the arrangement of the plurality of first embedded steel bars, and the supporting effect of the inner supporting piece on the foundation pit is indirectly improved; the plurality of first embedded steel bars are fixedly arranged on the connecting steel bars, so that the second connecting plate, the embedded blocks and the cast-in-place pile form a whole, the fixing effect of fixing the supporting rod on the cast-in-place pile is further improved, the supporting effect of the supporting rod is improved, and the strength of the lower ship trough frame is improved after the lower ship trough frame is poured;
3. when the embedded block is poured, the second embedded steel bars are directly poured into the embedded block, so that the mounting piece is fixed to the embedded block, the mounting piece is fixed, the fixing effect is better due to the fact that the second embedded steel bars are arranged, and the fixing effect of fixing the bottom-penetrating ship trough frame body to the foundation pit side wall cast-in-place pile is indirectly improved; the second embedded steel bars are fixedly arranged on the connecting steel bars, so that the first mounting plate, the embedded blocks and the cast-in-place piles form a whole, the fixing effect of fixing the support rods to the cast-in-place piles is further improved, the supporting effect of the support rods is improved, and the strength of the lower ship trough frame is improved after the lower ship trough frame is cast; the first embedded steel bars and the second embedded steel bars are arranged in a staggered mode, so that the stress on two sides of the embedded block is uniform, the fixing effect of the inner support piece in the foundation pit is improved, and the strength of the lower ship trough frame body is improved by the embedded block;
4. when needs are fixed the second mounting panel to the bored concrete pile on, directly drive the third embedded steel bar with the second mounting panel and peg graft to the bored concrete pile in to realized fixed to the second mounting panel, adopted the fixed mode that sets up of a plurality of third embedded steel bars convenient simple, improved the fixed effect to the second mounting panel, thereby indirectly improved with the fixed effect of bracing piece and will wear the fixed effect on the bored concrete pile of ship groove framework down.
Drawings
FIG. 1 is a schematic view of a half-section of a bottom pass channel frame and support bars according to an embodiment of the present application;
fig. 2 is an enlarged view of a portion a in fig. 1.
Description of reference numerals: 1. a ship slot frame is penetrated downwards; 11. a support bar; 111. embedding blocks; 112. a protrusion; 113. connecting reinforcing steel bars; 114. a first vertical section; 115. an inclined section; 116. a second vertical section; 12. a first connecting plate; 121. a second connecting plate; 122. first embedded steel bars; 13. a first mounting plate; 131. a second mounting plate; 132. second pre-buried steel bars; 133. thirdly, embedding reinforcing steel bars; 14. reinforcing mesh sheets; 15. cutting I-shaped steel; 151. and (7) mounting I-shaped steel.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses steel shotcrete and bored concrete pile connection structure. Referring to fig. 1, a steel bracing and cast-in-place pile connecting structure comprises a bottom-penetrating ship trough frame body 1 and inner bracing members, in this embodiment, the bottom-penetrating ship trough frame body 1 is arranged to be a rectangular frame body and is formed by casting concrete, triangular reinforcing blocks are arranged on the inner wall of the rectangular frame body and positioned at four corners of the rectangular frame body, the reinforcing blocks and the rectangular frame body are integrally cast, the number of the inner bracing members is multiple, and the number of the inner bracing members can be determined according to actual conditions of a foundation pit and the bottom-penetrating ship trough frame body 1; be provided with ordinary bracing piece between the crown beam of foundation ditch lateral wall both sides bored concrete pile, the bracing piece does not influence the pouring of wearing the ship groove framework 1 down, therefore later stage can normally demolish.
With reference to fig. 1 and 2, the inner supporting member includes a supporting rod 11 and pre-buried connecting members disposed at two ends of the supporting rod 11; in the present embodiment, the support rod 11 is provided as a steel pipe having a wall thickness of 12 mm; the embedded connecting piece comprises an embedded part, a first connecting piece and a second connecting piece, the embedded part is embedded in the ship slot frame body 1 which is penetrated downwards when the ship slot frame body 1 is poured, the first connecting piece is used for connecting the embedded part and the supporting rod 11 together, one part of the first connecting piece is positioned in the ship slot frame body 1 which is penetrated downwards, the other part is positioned outside the ship slot frame body 1 which is penetrated downwards, the part of the first connecting piece which is positioned outside the ship slot frame body 1 which is penetrated downwards is used for cutting by workers, the supporting rod 11 is driven to be positioned in the ship slot frame body 1 which is penetrated downwards and taken down, the second connecting piece is used for connecting the embedded part to the filling pile on the side wall of the foundation pit, and the ship slot frame body 1 which is penetrated downwards is connected to the filling pile.
With reference to fig. 1 and 2, the embedded part includes an embedded block 111, the embedded block 111 is prefabricated by concrete, the cross section of the embedded block 111 is rectangular, and a plurality of protrusions 112 located in a poured ship trough frame 1 are arranged on the embedded block 111; in this embodiment, four protrusions 112 are provided, and the four protrusions 112 are respectively located on four surfaces of the embedded block 111 adjacent to the first connecting piece and the second connecting piece; the cross-section of the protrusion 112 is rectangular; when the embedded block 111 drives the protrusions 112 to be poured into the lower ship trough frame body 1, the integrity of the embedded block 111 and the lower ship trough frame body 1 is improved through the protrusions 112, and therefore the pouring effect of the embedded block 111 poured into the lower ship trough frame body 1 is improved.
With reference to fig. 1 and fig. 2, a plurality of connecting steel bars 113 are arranged in the prefabricated embedded block 111, one end of each connecting steel bar 113 is located in the embedded block 111, and the other end of each connecting steel bar 113 penetrates through the embedded block 111 and is arranged in a cast-in-place pile on the side wall of the foundation pit; in this embodiment, connecting reinforcement 113 includes first vertical section 114, slope section 115 and the second vertical section 116 that connects gradually, and first vertical section 114 sets up in the middle part of pre-buried piece 111 along vertical direction, and the third vertical section sets up in the bored concrete pile of foundation ditch lateral wall along vertical direction, and slope section 115 is located the upper portion of pre-buried piece 111 and extends the setting towards the position slope at bored concrete pile place.
With reference to fig. 1 and fig. 2, the first connecting member includes a first connecting plate 12, a second connecting plate 121 and a cutting member, in this embodiment, the first connecting plate 12 and the second connecting plate 121 are both made of steel plates, the first connecting plate 12 is fixedly disposed on the end of the supporting rod 11 by welding, the second connecting plate 121 is fixedly disposed on the embedded block 111, the cutting member is fixedly disposed between the first connecting plate 12 and the second connecting plate 121, one part of the cutting member is located inside the underpassing ship slot frame 1, the other part of the cutting member is located outside the underpassing ship slot frame 1, and the part of the cutting member located outside the underpassing ship slot frame 1 is used for cutting by a constructor; a plurality of first embedded steel bars 122 which are embedded in the prefabricated embedded blocks 111 are fixedly arranged on the second connecting plate 121, and the plurality of first embedded steel bars 122 are fixedly arranged on the connecting steel bars 113; the first embedded bars 122 and the connecting bars 113 can be fixed by binding, and in other embodiments, the first embedded bars 122 and the connecting bars 113 can also be fixed by welding.
With reference to fig. 1 and 2, the second connecting member includes a first mounting plate 13, a second mounting plate 131 and a mounting member, the first mounting plate 13 is fixedly disposed on the embedded block 111, the second mounting plate 131 is fixedly disposed on the cast-in-place pile on the sidewall of the foundation pit, the mounting member is fixedly disposed between the first mounting plate 13 and the second mounting plate 131, and the first mounting plate 13, the second mounting plate 131 and the mounting member are all poured in the lower ship trough frame 1; in the present embodiment, the first mounting plate 13 and the second mounting plate 131 are each provided as a steel plate.
With reference to fig. 1 and fig. 2, in order to fixedly set the first mounting plate 13 in the embedded block 111, a plurality of second embedded bars 132 for embedding in the prefabricated embedded block 111 are fixedly arranged on the first mounting plate 13, the plurality of second embedded bars 132 are fixedly arranged on the connecting bars 113, the second embedded bars 132 and the connecting bars 113 can be fixed in a binding manner, and in other embodiments, the second embedded bars 132 and the connecting bars 113 can also be fixed in a welding manner; in order to improve the stress effect of the embedded blocks 111, the second embedded bars 132 and the first embedded bars 122 are staggered, and the first mounting plate 13 is fixedly arranged on the embedded blocks 111 through the second embedded bars 132.
With reference to fig. 1 and fig. 2, in order to fix the second mounting plate 131 on the cast-in-place pile of the side wall of the foundation pit, a plurality of third embedded steel bars 133 for inserting into the cast-in-place pile of the side wall of the foundation pit are fixedly arranged on the second mounting plate 131, and the second mounting plate 131 is fixedly arranged on the cast-in-place pile of the side wall of the foundation pit through the plurality of third embedded steel bars 133; in this embodiment, a plurality of third embedded bars 133 are fixedly disposed on the cast-in-place pile of the side wall of the foundation pit in an anchoring manner, and a distance between adjacent third embedded bars 133 is set to be 0.5m.
With reference to fig. 1 and 2, in order to further improve the strength of the bottom-penetrating ship trough frame 1, a steel bar mesh 14 is arranged in the bottom-penetrating ship trough frame 1, and the steel bar mesh 14 is a mesh in which longitudinal steel bars and transverse steel bars are arranged at certain intervals, are mutually perpendicular, and are welded together at all intersections; in order to prevent the cutting part and the mounting part from influencing the reinforcing mesh 14 when the lower ship trough frame body 1 is poured, the cutting part comprises a plurality of cutting I-shaped steels 15, the plurality of cutting I-shaped steels 15 are fixedly arranged between the first connecting plate 12 and the second connecting plate 121, the mounting part comprises a plurality of mounting I-shaped steels 151, the plurality of mounting I-shaped steels 151 are fixedly arranged between the first mounting plate 13 and the second mounting plate 131, the plurality of cutting I-shaped steels 15 penetrate through meshes of the reinforcing mesh 14, and the plurality of mounting I-shaped steels 151 penetrate through the meshes of the reinforcing mesh 14.
A method for dismantling a steel support and cast-in-place pile connecting structure comprises the following steps:
s1: leveling a field and constructing a temporary drainage ditch;
s2: constructing a cast-in-place pile and a waterproof curtain;
s3: excavating foundation pit rock-soil bodies symmetrically in layers, and constructing an inner supporting piece after the next inner support reaches the designed elevation;
s4: when the cast-in-place block 111 is prefabricated, connecting reinforcing steel bars 113 are reserved in the embedded block 111, first embedded reinforcing steel bars 122 on the second connecting plate 121 and second embedded reinforcing steel bars 132 on the first mounting plate 13 are reserved in the embedded block 111, so that the embedded block 111 is fixed between the second connecting plate 121 and the first mounting plate 13, after the embedded block 111 is prefabricated and formed, the connecting reinforcing steel bars 113 are inserted into a cast-in-place pile of a foundation pit, third embedded reinforcing steel bars 133 on the second mounting plate 131 are inserted into the cast-in-place pile of the foundation pit, and the support rod 11 is fixed between the first connecting plates 12 on two sides in a welding mode;
s5: repeating S3-S4 until the designed elevation of the foundation pit is excavated, and finishing the erection of all the inner supporting pieces;
s6: pouring construction of the lower ship trough frame body 1, erecting a template to pour the lower ship trough frame body 1, pouring a steel mesh sheet 14 in the lower ship trough frame body 1, enabling the cut I-steel 15 and the installation I-steel 151 to penetrate through meshes of the steel mesh sheet 14, removing the pouring template after pouring of the lower ship trough frame body 1 is completed, completely pouring the installation I-steel 151 in the lower ship trough frame body 1, and reserving part of the installation I-steel 151 outside the lower ship trough frame body 1 without removing an inner support member to remove the lower ship trough frame body 1;
s7: when the inner supporting piece needs to be detached, a constructor cuts the part, located outside the lower ship trough frame body 1, of the cutting I-steel 15 by using cutting equipment, and the part, located outside the lower ship trough frame body 1, of the cutting I-steel 15 is reserved in the lower ship trough frame body 1;
and S8, filling the local small holes generated after the I-shaped steel 15 is removed by using concrete.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a steel shotcrete and bored concrete pile connection structure which characterized in that: including lower ship groove framework (1) and interior supporting part, interior supporting part includes bracing piece (11) and sets up the embedded connection spare at bracing piece (11) both ends, embedded connection spare includes built-in fitting, first connecting piece and second connecting piece, the built-in fitting is used for pre-buried in lower ship groove framework (1) of wearing when pouring ship groove framework (1), first connecting piece is used for being connected to built-in fitting and bracing piece (11) together, partly of first connecting piece is located and wears ship groove framework (1) down, and another part is located and wears ship groove framework (1) outside down, the part that first connecting piece is located and wears ship groove framework (1) down is used for supplying the workman to cut, takes off in order to drive bracing piece (11) to be located ship groove framework (1) down, the second connecting piece is used for being connected to the built-in fitting on the bored concrete pile of foundation ditch lateral wall so that ship groove framework (1) is connected to on the bored concrete pile down.
2. A steel shotcrete connection structure according to claim 1, wherein: the embedded part comprises an embedded block (111), and a plurality of protrusions (112) located in a poured underpass ship slot frame body (1) are arranged on the embedded block (111).
3. A steel shotcrete connection structure according to claim 2, wherein: the precast concrete embedded concrete structure is characterized in that the embedded block (111) is precast by concrete, a plurality of connecting steel bars (113) are arranged in the precast embedded block (111), one end of each connecting steel bar (113) is located in the embedded block (111), and the other end of each connecting steel bar penetrates out of the embedded block (111) and is arranged in a cast-in-place pile on the side wall of a foundation pit.
4. A steel shotcrete connection structure according to claim 3, wherein: the first connecting piece comprises a first connecting plate (12), a second connecting plate (121) and a cutting piece, wherein the first connecting plate (12) is fixedly arranged at the end part of the supporting rod (11), the second connecting plate (121) is fixedly arranged on the embedded block (111), the cutting piece is fixedly arranged between the first connecting plate (12) and the second connecting plate (121), one part of the cutting piece is positioned in the ship slot frame body (1) penetrating downwards, the other part of the cutting piece is positioned outside the ship slot frame body (1) penetrating downwards, and the part of the cutting piece, which is positioned outside the ship slot frame body (1) penetrating downwards, is used for cutting by constructors.
5. A steel shotcrete connection structure according to claim 4, wherein: the second connecting plate (121) is fixedly provided with a plurality of first embedded bars (122) which are embedded in a prefabricated embedded block (111), and the first embedded bars (122) are fixedly arranged on the connecting bars (113).
6. A steel shotcrete connection structure according to claim 5, wherein: the second connecting piece comprises a first mounting plate (13), a second mounting plate (131) and a mounting piece, wherein the first mounting plate (13) is fixedly arranged on an embedded block (111), the second mounting plate (131) is fixedly arranged on a filling pile of the side wall of the foundation pit, the mounting piece is fixedly arranged between the first mounting plate (13) and the second mounting plate (131), and the first mounting plate (13), the second mounting plate (131) and the mounting piece are all poured in the lower ship-passing trough frame body (1).
7. A steel shotcrete connection structure according to claim 6, wherein: first mounting panel (13) are gone up the fixed second embedded bar (132) that are provided with a plurality of pre-buried in prefabricated buried block (111) that are used for, and are a plurality of second embedded bar (132) are fixed to be set up connecting reinforcement (113) are last, and are a plurality of second embedded bar (132) and a plurality of first embedded bar (122) are the setting of staggering, first mounting panel (13) are fixed to be set up through a plurality of second embedded bar (132) on buried block (111).
8. A steel shotcrete connection structure according to claim 7, wherein: the second mounting panel (131) are gone up the fixed third embedded bar (133) that are used for inserting to the bored concrete pile of foundation ditch lateral wall that are provided with, second mounting panel (131) are fixed the setting on the bored concrete pile of foundation ditch lateral wall through a plurality of third embedded bar (133).
9. A steel shotcrete connection structure according to claim 8, wherein: it is provided with reinforcing bar net piece (14) in the lower ship groove framework (1) of wearing, the cutting member includes a plurality of cutting I-steel (15), and is a plurality of cutting I-steel (15) are fixed to be set up between first connecting plate (12) and second connecting plate (121), the installed part includes a plurality of installation I-steel (151), and is a plurality of installation I-steel (151) are fixed to be set up between first mounting panel (13) and second mounting panel (131), and are a plurality of cutting I-steel (15) pass the mesh of reinforcing bar net piece (14), and are a plurality of installation I-steel (151) pass the mesh of reinforcing bar net piece (14).
CN202222355977.8U 2022-09-02 2022-09-02 Steel shotcrete and bored concrete pile connection structure Active CN218437091U (en)

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