Corrugated steel outer lining concrete structure for underground comprehensive pipe gallery

Abstract

The utility model relates to the technical field of underground comprehensive pipe gallery structures, in particular to a corrugated steel outer lining concrete structure for an underground comprehensive pipe gallery, which comprises a corrugated steel layer, a plurality of fixed anchor rods, a precast concrete layer and a connecting component, the plurality of fixed anchor rods are uniformly distributed along the corrugated steel layer and are fixedly connected with the corrugated steel layer, and the precast concrete layer is fixedly connected with the corrugated steel layer. The connecting assembly comprises two side formworks, a fixing piece and two sets of limiting pieces, the two side formworks are fixedly connected with the prefabricated concrete layer and located on the outer side of the prefabricated concrete layer, the fixing piece is detachably connected with the side formworks, and the limiting pieces are fixedly connected with the prefabricated concrete layer and located on the outer side of the prefabricated concrete layer. And the limiting piece is detachably connected with the corrugated steel layer and is located below the corrugated steel layer, so that the stability of the concrete and corrugated steel plate connecting mechanism can be effectively improved, and the pressure resistance of the corrugated steel outer lining concrete structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underground comprehensive pipe gallery structures, in particular to a corrugated steel outer lining concrete structure used for underground comprehensive pipe gallery. Background Art

[0002] At present, underground comprehensive pipeline corridors are mainly reinforced concrete structures. However, when cast-in-place concrete is used for construction, the construction speed is slow, which has a great impact on the traffic on the main roads and brings great inconvenience to residents' lives. In addition, the concrete structure has poor resistance to uneven foundation settlement and impermeability. When there is a large uneven settlement, cracking and leakage will occur. Due to the existence of these problems, the use of corrugated steel pipe comprehensive pipeline corridors in my country has gradually increased. The corrugated steel pipe comprehensive pipeline corridor can not only avoid wet operations and speed up the construction progress, but also due to the presence of corrugations in the pipe body, it cooperates with the surrounding soil to make its force more reasonable and its resistance to uneven foundation settlement is better. In addition, corrugated steel pipes are still prone to leakage at the bolt hole position and the intersection of the section.

[0003] In order to solve the above problems, the prior art patent (CN208105317U) discloses a corrugated steel outer lining concrete structure for an underground comprehensive pipe gallery. The utility model relates to an underground comprehensive pipe gallery structure, which aims to solve the problems that the current concrete structure has poor resistance to uneven foundation settlement and impermeability, the joints of the prefabricated pipe gallery are easy to break and leak, and the corrugated steel pipe gallery structure has insufficient stable bearing capacity. The corrugated steel outer lining concrete structure for the underground comprehensive pipe gallery comprises an outer lining reinforced concrete ring, an arch corrugated steel plate and a bottom plate, wherein the outer lining concrete ring is coated on the outer plate surface of the arch corrugated steel plate to form an arch, steel bars are pre-embedded on the left and right sides of the bottom plate, a grouting sleeve is arranged in the arch foot of the arch, the steel bars on the bottom plate are inserted into the grouting sleeve in the arch foot, and concrete is poured in the grouting sleeve. The utility model has a faster construction speed of the corrugated steel outer lining concrete structure, and the structural impermeability, the performance of resisting uneven foundation settlement and the convenience of connecting the prefabricated sections are greatly improved.

[0004] However, in the above-mentioned prior art, the concrete soil ring and the corrugated steel plate are connected only by shear keys, which easily causes the soil ring to separate from the surface of the corrugated steel plate, resulting in instability of the concrete structure. Utility Model Content

[0005] The purpose of the utility model is to provide a corrugated steel lined concrete structure for an underground comprehensive pipe gallery, which solves the technical problem in the prior art that the concrete soil ring and the corrugated steel plate are connected only by shear keys, which easily causes the soil ring to separate from the surface of the corrugated steel plate, resulting in instability of the concrete structure.

[0006] To achieve the above-mentioned purpose, the utility model adopts a corrugated steel lined concrete structure for an underground comprehensive pipe gallery, comprising a corrugated steel layer, a plurality of fixed anchor rods, a precast concrete layer and a connecting assembly, wherein the plurality of fixed anchor rods are evenly distributed along the corrugated steel layer, the fixed anchor rods are fixedly connected to the corrugated steel layer and are located on the outside of the corrugated steel layer, the precast concrete layer is fixedly connected to the corrugated steel layer and is located on the outside of the corrugated steel layer, and the plurality of fixed anchor rods penetrate the precast concrete layer, the connecting assembly comprises two side formworks, a fixing member and two groups of limiting members, the two side formworks are fixedly connected to the precast concrete layer and are located on the outside of the precast concrete layer, the fixing member is detachably connected to the side formworks and is located on the outside of the side formworks, and the limiting member is detachably connected to the corrugated steel layer and is located below the corrugated steel layer.

[0007] Wherein, the fixing member includes a template sleeve and four extension plates, the template sleeve is detachably connected to the two side templates and is located above the side templates, and the four extension plates are fixedly connected to the template sleeve and are located outside the side templates.

[0008] Wherein, the fixing member also includes two through anchor rods, the template sleeve has a casting hole, the two through anchor rods are fixedly connected to the extension plates and penetrate the two extension plates, and the through anchor rods penetrate the side template.

[0009] Among them, each group of the limit parts includes a limit seat, a connecting plate and two locking screws. The limit seat is detachably connected to the corrugated steel layer and is located below the corrugated steel layer. The connecting plate is fixedly connected to the limit seat and is located on the outside of the limit seat. The two locking screws are threadedly connected to the connecting plate and pass through the connecting plate.

[0010] Wherein, the side template has a groove adapted to the extension plate.

[0011] Among them, the corrugated steel lined concrete structure for underground comprehensive pipe corridor also includes a connecting component, which includes a clamping plate and a fixing pin, the limiting seat has a through groove adapted to the clamping plate, the clamping plate is fixedly connected to the limiting seat and is located on the outside of the limiting seat, and the fixing pin is detachably connected to the limiting seat and passes through the clamping plate.

[0012] The utility model discloses a corrugated steel outer lining concrete structure for an underground comprehensive pipe gallery, wherein the fixing member is detachably connected to the side formwork, and the limiting member is detachably connected to the corrugated steel layer. When in use, the corrugated steel layer is connected to the precast concrete layer through a plurality of fixing anchor rods, the corrugated steel layer is installed in the limiting member, the limiting member is fixed to the ground, the fixing member is fixed above the side formwork, and concrete is poured after fixing is completed. This method can effectively solve the problem of unstable concrete structure outside the corrugated steel plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 It is a front view of the first embodiment of the utility model.

[0016] Figure 3 It is a structural sectional view of the first embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0018] 101-corrugated steel layer, 102-fixed anchor rod, 103-precast concrete layer, 104-side formwork, 105-formwork sleeve, 106-extension plate, 107-through anchor rod, 108-limiting seat, 109-connecting plate, 110-locking screw, 111-casting hole, 112-groove, 201-clamping plate, 202-fixed pin, 203-through groove. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1 to Figure 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2This is a front view of the first embodiment of the utility model. Figure 3 It is a structural sectional view of the first embodiment of the utility model.

[0022] The utility model provides a corrugated steel lined concrete structure for an underground comprehensive pipe gallery, comprising a corrugated steel layer 101, a plurality of fixed anchor rods 102, a precast concrete layer 103 and a connecting assembly, wherein the connecting assembly comprises two side formworks 104, a fixing member and two groups of limiting members, wherein the fixing member comprises a formwork sleeve 105, four extension plates 106 and two through anchor rods 107, and each group of the limiting members comprises a limiting seat 108, a connecting plate 109 and two locking screws 110. The above-mentioned scheme solves the problem that the concrete soil ring and the corrugated steel plate are only connected by shear keys, which easily causes the soil ring to detach from the surface of the corrugated steel plate, resulting in an unstable concrete structure.

[0023] According to this specific embodiment, the plurality of fixed anchor rods 102 are evenly distributed along the corrugated steel layer 101, the fixed anchor rods 102 are fixedly connected to the corrugated steel layer 101 and are located on the outside of the corrugated steel layer 101, the precast concrete layer 103 is fixedly connected to the corrugated steel layer 101 and is located on the outside of the corrugated steel layer 101, and the plurality of fixed anchor rods 102 penetrate the precast concrete layer 103, the connection assembly includes two side formworks 104, a fixing member and two groups of limiting members, the two side formworks 104 are fixedly connected to the precast concrete layer 103 and are located on the outside of the precast concrete layer 103, the fixing member is detachably connected to the side formworks 104 and is located on the On the outside of the side formwork 104, the limiting member is detachably connected to the corrugated steel layer 101 and is located below the corrugated steel layer 101. The corrugated steel layer 101 is connected to the precast concrete layer 103 through a plurality of the fixing anchor rods 102 to improve the connection strength between the corrugated steel layer 101 and the precast concrete layer 103. The corrugated steel layer 101 is installed in the limiting member, and the structure is limited by the limiting member to improve the stability of the structure. The limiting member is fixed to the ground to prevent the structure from shifting during construction. The fixing member is fixed above the side formwork 104. After fixing, concrete is poured. This method can effectively solve the problem of unstable concrete structure on the outside of the corrugated steel plate.

[0024] Among them, the template sleeve 105 is detachably connected to the two side templates 104 and is located above the side templates 104. The four extension plates 106 are fixedly connected to the template sleeve 105 and are located on the outside of the side templates 104. The template sleeve 105 is installed above the side templates 104, and the extension plates 106 are connected to the side templates 104.

[0025] Secondly, the formwork sleeve 105 has a casting hole 111, and the two through anchor rods 107 are fixedly connected to the extension plate 106 and penetrate the two extension plates 106, and the through anchor rods 107 penetrate the side formwork 104, and the formwork sleeve 105 is fixed to the side formwork 104 through the through anchor rods 107. The casting hole 111 is used for pouring concrete, and the through anchor rods 107 are used to prevent the concrete from expanding the formwork sleeve 105 during pouring, thereby improving the stability of the structure.

[0026] At the same time, the limiting seat 108 is detachably connected to the corrugated steel layer 101 and is located below the corrugated steel layer 101. The connecting plate 109 is fixedly connected to the limiting seat 108 and is located on the outside of the limiting seat 108. The two locking screws 110 are threadedly connected to the connecting plate 109 and penetrate the connecting plate 109. The limiting seat 108 limits the movement of the corrugated steel layer 101, and the connecting plate 109 is fixed to the ground by the locking screws 110, so that the limiting seat 108 is fixed to prevent movement after the structure is installed.

[0027] In addition, the side formwork 104 has a groove 112 adapted to the extension plate 106 , and the extension plate 106 is installed in the groove 112 of the side formwork 104 .

[0028] A corrugated steel outer lining concrete structure for an underground integrated pipe gallery according to the present embodiment is used. By setting a plurality of fixed anchor rods 102, a precast concrete layer 103 and a connection assembly, when it is used, the corrugated steel layer 101 is connected to the precast concrete layer 103 through a plurality of the fixed anchor rods 102 to improve the connection strength between the corrugated steel layer 101 and the precast concrete layer 103. The locking screw 110 fixes the connecting plate 109 to the ground, so that the limiting seat 108 is fixed. The corrugated steel layer 101 is installed In the limiting seat 108, the formwork sleeve 105 is installed above the side formwork 104, the extension plate 106 is installed in the groove 112 of the side formwork 104, the through anchor rod 107 fixes the formwork sleeve 105 to the side formwork 104, and concrete is poured through the pouring hole 111. The through anchor rod 107 prevents the concrete from spreading the formwork sleeve 105 during pouring, thereby effectively increasing the stability of the connection mechanism between the concrete and the corrugated steel plate, thereby improving the compressive resistance of the corrugated steel lined concrete structure.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0031] The utility model provides a corrugated steel outer lining concrete structure for an underground comprehensive pipe gallery, which also includes a connecting component. The connecting component includes a clamping plate 201 and a fixing pin 202.

[0032] According to this specific embodiment, the limiting seat 108 has a through slot 203 adapted to the clip plate 201, the clip plate 201 is fixedly connected to the limiting seat 108 and is located on the outside of the limiting seat 108, the fixing pin 202 is detachably connected to the limiting seat 108 and passes through the clip plate 201, the clip plate 201 is connected to the through slot 203 set in the limiting seat 108, and the fixing pin 202 is used to connect two adjacent limiting seats 108.

[0033] A corrugated steel lined concrete structure for an underground integrated pipe gallery is used in this embodiment. By setting a connecting component, when it is used, the snap-in plate 201 is connected to the through groove 203 set in the limiting seat 108, and the fixing pin 202 is used to connect the two adjacent limiting seats 108, so as to improve the stability when multiple groups of structures are spliced.

[0034] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A corrugated steel lined concrete structure for an underground integrated pipe gallery, comprising a corrugated steel layer, characterized in that: It also includes a plurality of fixed anchor rods, a precast concrete layer and a connection assembly, wherein the plurality of fixed anchor rods are evenly distributed along the corrugated steel layer, the fixed anchor rods are fixedly connected to the corrugated steel layer and are located on the outside of the corrugated steel layer, the precast concrete layer is fixedly connected to the corrugated steel layer and is located on the outside of the corrugated steel layer, and the plurality of fixed anchor rods penetrate the precast concrete layer, and the connection assembly includes two side formworks, a fixing member and two groups of limiting members, the two side formworks are fixedly connected to the precast concrete layer and are located on the outside of the precast concrete layer, the fixing member is detachably connected to the side formworks and is located on the outside of the side formworks, and the limiting member is detachably connected to the corrugated steel layer and is located below the corrugated steel layer.

2. The corrugated steel lined concrete structure for underground comprehensive pipe gallery according to claim 1, characterized in that: The fixing member includes a template sleeve and four extension plates. The template sleeve is detachably connected to the two side templates and is located above the side templates. The four extension plates are fixedly connected to the template sleeve and are located outside the side templates.

3. The corrugated steel lined concrete structure for underground comprehensive pipe gallery according to claim 2, characterized in that: The fixing member also includes two through-anchor rods, the template sleeve has a casting hole, the two through-anchor rods are fixedly connected to the extension plates and penetrate the two extension plates, and the through-anchor rods penetrate the side template.

4. The corrugated steel lined concrete structure for underground comprehensive pipe gallery according to claim 3, characterized in that: Each group of the limit members includes a limit seat, a connecting plate and two locking screws. The limit seat is detachably connected to the corrugated steel layer and is located below the corrugated steel layer. The connecting plate is fixedly connected to the limit seat and is located on the outside of the limit seat. The two locking screws are threadedly connected to the connecting plate and pass through the connecting plate.

5. The corrugated steel lined concrete structure for underground comprehensive pipe gallery according to claim 4, characterized in that: The side formwork has a groove matched with the extension plate.

6. The corrugated steel lined concrete structure for underground comprehensive pipe gallery according to claim 5, characterized in that: The corrugated steel lined concrete structure for the underground integrated pipe gallery also includes a connecting component, which includes a clamping plate and a fixing pin. The limiting seat has a through groove adapted to the clamping plate. The clamping plate is fixedly connected to the limiting seat and is located on the outside of the limiting seat. The fixing pin is detachably connected to the limiting seat and passes through the clamping plate.

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