CN210163936U - Pile and culvert integrally assembled steel reinforced concrete integrated pipe gallery - Google Patents
Pile and culvert integrally assembled steel reinforced concrete integrated pipe gallery Download PDFInfo
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- CN210163936U CN210163936U CN201920308725.5U CN201920308725U CN210163936U CN 210163936 U CN210163936 U CN 210163936U CN 201920308725 U CN201920308725 U CN 201920308725U CN 210163936 U CN210163936 U CN 210163936U
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Abstract
本实用新型公开了一种桩涵整体装配式钢骨混凝土综合管廊，包括管廊主体和预制管桩，所述预制管桩固定在管廊主体的底部，所述管廊主体和预制管桩共同传递纵向荷载至地基。该管廊充分利用了预制管桩和箱涵共同作用抵抗基地反力和外荷载，在确保工程安全性和管廊防水性的同时，加快了地基基础施工进度，提高了综合管廊整体工程的预制装配率。钢板和预制板的使用避免了模板的使用，现浇层的存在保证了管廊和桩涵连接处的防水性能。同时，由于预制管桩、钢构件和预制混凝土层均可在工厂预制、现场拼装，实现了综合管廊整体工程的预制装配式施工，减少了工程的地基处理、模板支架等工序的时间和费用，降低了现场施工对环境影响。
The utility model discloses a steel-reinforced concrete integrated pipe gallery of pile-culvert integral assembly, comprising a pipe gallery main body and a prefabricated pipe pile. The prefabricated pipe pile is fixed on the bottom of the pipe gallery main body. The pipe gallery main body and the prefabricated pipe pile Jointly transmit longitudinal loads to the foundation. The pipe gallery makes full use of the combined action of prefabricated pipe piles and box culverts to resist the reaction force and external load of the base. While ensuring the safety of the project and the waterproofness of the pipe gallery, it speeds up the construction progress of the foundation and improves the overall engineering of the comprehensive pipe gallery. Prefab assembly rate. The use of steel plates and prefabricated panels avoids the use of formwork, and the presence of cast-in-place layers ensures the waterproof performance of the pipe gallery and the connection between the pile and culvert. At the same time, since the prefabricated pipe piles, steel components and prefabricated concrete layers can be prefabricated in the factory and assembled on site, the prefabricated construction of the overall project of the integrated pipe gallery is realized, and the time and cost of the foundation treatment and formwork brackets of the project are reduced. , reducing the impact of on-site construction on the environment.
Description
Technical Field
The utility model relates to a novel stake culvert unit-installment steel bone concrete utility tunnel belongs to municipal facilities construction technical field.
Background
Because the traditional directly buried pipeline occupies more underground space below a road, laying of the pipeline often cannot be synchronous with construction of the road, frequent excavation of the road is caused, normal passing of the road is influenced, environmental pollution such as noise, dust and the like is caused, and safety accidents frequently occur in the directly buried pipeline of some cities. Therefore, in some economically developed cities in China, comprehensive pipe gallery engineering is built by taking the reference of foreign advanced municipal pipeline construction and maintenance methods. The comprehensive pipe gallery is essentially municipal utility facilities which are built under the city according to the unified planning, design, construction and maintenance principles and are used for laying city engineering pipelines.
In recent years, the construction of the comprehensive pipe gallery in China enters a relatively high-speed period, but the construction period of the currently and frequently adopted cast-in-place pipe gallery is long, the ground is seriously damaged, the noise and dust pollution are large, and the urban environment and the traffic are greatly influenced. The prefabricated assembly type technology of 'member factory processing and structure field assembling' is gradually introduced into the construction of the comprehensive pipe gallery, the construction quality and efficiency are greatly improved, and green construction is realized. Based on this, successively have a plurality of prefabricated pipe gallery relevant patents to be disclosed, like prefabricated wedge flexible interface assembled pipe gallery (CN 204040062U), an assembled prefabricated bamboo composite pipe gallery (CN 204940337U), a steel construction city utility tunnel (CN 204898721U), a part prefabricated assembly steel concrete combination underground utility tunnel (CN 106381886B) etc.. These patents include precast concrete, steel concrete combination, and various materials such as steel, bamboo timber precast utility tunnel. In the shallower, softer area of place soil of groundwater, before carrying out the construction of prefabricated piping lane, need carry out the independent processing to place soil usually, this has greatly increased piping lane construction cycle, has reduced the prefabricated assembly rate of piping lane construction. Particularly, in the process of building the pipe gallery related to historical culture and a city center block, great damage can be brought to the surrounding environment by the building construction, and how to quickly complete the whole building process of the pipe gallery is very important. The template-free partially-prefabricated assembled steel concrete combined underground comprehensive pipe gallery (ZL 201710907889.5) applied by the applicant before is suitable for site conditions of hard soil foundations, and even though the construction period of the box culvert is greatly shortened, when the box culvert is used for soft soil, particularly central street areas of water and countryside in the south of the Yangtze river, the foundation needs to be treated for a long time, so that various costs of engineering construction are greatly increased; and due to the separated structural characteristics of the piles and culverts, the combined effect of the piles and culverts under the conditions of anti-floating, anti-overturning and the like cannot be fully exerted.
For this reason, utilize the theory of stake culvert integration and the prefabricated assembly of tubular pile, the waterproof and light advantage of steel construction of make full use of concrete, the integration node is contained to the rational design stake, utilizes the cast-in-place layer of middle concrete to solve node and the waterproof problem of piece to utility model a stake is contained the underground pipe gallery of whole assembled steel bone concrete system with the whole engineering prefabrication of the body of culvert, on-the-spot assembly, thereby provides new thinking for the construction of prefabricated pipe gallery.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pile culvert unit-installment steel bone concrete utility tunnel guarantees under foundation reliability, the prerequisite of piping lane basic function, and the advantage that comprehensive utilization steel and concrete material are respective overcomes present cast-in-place piping lane template engineering cost height, construction progress shortcoming such as slow, that the environmental impact is big, and the shortcoming such as ground treatment cycle length, waterproof treatment cost height when facing groundwater and weak soil foundation of conventional prefabricated piping lane is overcome.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a stake is contained unit-installment steel bone concrete utility tunnel, includes pipe gallery main part and precast tubular pile, precast tubular pile fixes the bottom in the pipe gallery main part, pipe gallery main part and precast tubular pile transmit vertical load to the ground jointly.
Further, the pipe gallery main body is placed on the cushion layer, the section of the pipe gallery main body is a rectangle with a single bin or multiple bins, the pipe gallery main body comprises an inner layer, a middle layer and an outer layer, the outer layer is a precast concrete layer, the middle layer is a cast-in-place concrete layer and a precast steel plate layer, and the inner layer is a steel skeleton consisting of annular steel beams and longitudinal steel beams.
Furthermore, the precast concrete layer is composed of a bottom precast slab and a side precast slab, the bottom precast slab and the side precast slab are connected through a precast splicing seam, and shear steel bars extending out of the inner surface of the precast concrete layer are pre-buried in the precast concrete layer.
Furthermore, the prefabricated steel plate layer adopts flat steel plates or profiled steel plates, one side of the prefabricated steel plate layer is connected with the steel framework, the other side of the prefabricated steel plate layer is connected with the cast-in-place concrete layer, a steel bar sleeve and studs are welded on the prefabricated steel plate layer connected with one side of the cast-in-place concrete layer, and the plurality of prefabricated steel plates are connected in the circumferential direction and the longitudinal direction through the studs or in a welding mode.
Furthermore, the shear steel bars and the steel bar sleeves are connected in a steel bar inserting mode.
Furthermore, the hoop girder steel is formed by splicing the horizontal ring beam and the vertical ring beam through the steel rib nodes, the hoop girder steel is connected into a whole by the longitudinal girder steel, and the longitudinal girder steel and the hoop girder steel are connected by bolts.
Further, precast tubular pile is reinforcing bar or reinforcing bar concrete precast pile, precast tubular pile is contained the connected node through the stake and is fixed in the bottom of piping lane main part, the stake is contained the connected node and is constituteed by buried steel plate in advance, pre-buried crab-bolt, cast-in-place steel sheet and mounting nut, pre-buried steel sheet is pour inside precast tubular pile, the one end of buried anchor is pour in precast tubular pile and with the welding of pre-buried steel sheet, the other end passes the bottom of piping lane main part and fixes in the piping lane main part through mounting nut, cast-in-place steel sheet sets up in piping lane main part bottom and overlaps to establish and weld on pre-buried crab-bolt.
Preferably, precast tubular pile is reinforcing bar or reinforcing bar concrete precast pile, precast tubular pile is fixed in the bottom of piping lane main part through stake culvert connected node, stake culvert connected node comprises buried steel plate, embedded anchor, cast-in-place steel sheet and mounting nut in advance, buried steel plate is pour inside precast tubular pile in advance, buried anchor's one end is pour in precast tubular pile and with the welding of buried steel plate in advance, the other end passes the bottom of piping lane main part and fixes on the horizontal girth of piping lane main part through mounting nut, cast-in-place steel sheet sets up in cast-in-place concrete layer's inside and cover and establishes and weld on buried anchor in advance.
The main principle is as follows: the steel deck that outside precast concrete layer, middle cast in situ concrete and prefabricated steel deck, inside girder steel are constituteed bears the outer load that the soil body transmitted and come jointly, and precast tubular pile inserts the soil body, is showing the foundation bearing capacity that improves the piping lane. The pipe gallery main body and the prefabricated pipe pile are connected into a whole through the pile culvert connecting nodes, so that the integrity of force transmission and rigidity is improved; the annular steel beams and the longitudinal steel beams form a steel skeleton, so that the consumption of concrete is reduced, the integral bearing capacity and rigidity are improved, and the integral weight of the pipe gallery is reduced; the prefabricated steel plate and the prefabricated concrete layer play the role of the inner and outer side templates while bearing the load together; the shear steel bars connect the precast concrete layer, the cast-in-place concrete layer and the precast steel plate layer into a whole to jointly act; the waterproof performance of the comprehensive pipe rack is guaranteed by the partially cast-in-place concrete layer and the pile culvert connecting nodes, and the inner steel is favorable for installing pipeline supports in the pipe rack. Has the advantages that: the utility model provides
Has the advantages that: the utility model discloses a stake is contained and is wholly assembled steel bone concrete utility tunnel make full use of precast tubular pile and box culvert combined action resist base counter-force and outer load, when guaranteeing engineering security and piping lane waterproof nature for foundation construction progress has improved the prefabricated assembly rate of utility tunnel whole engineering. The use of template has been avoided in the use of steel sheet and prefabricated plate, and the performance of draining of pipe gallery and stake culvert junction has been guaranteed in the existence on cast-in-place layer, and connected node makes the wholeness of stake culvert strengthen greatly, and the combined action of precast tubular pile and pipe gallery makes whole foundation bearing capacity strengthen greatly on the one hand, and on the other hand has improved the anti ability of floating and antidumping when the pipe gallery faces groundwater. Meanwhile, the precast tubular piles, the steel members and the precast concrete layers can be precast in factories and assembled on site, so that the precast assembly type construction of the overall engineering of the comprehensive pipe gallery is realized, the time and the cost of the working procedures of foundation treatment, template support and the like of the engineering are reduced, and the influence of site construction on the environment is reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is a schematic sectional view of fig. 1-1 of the present invention.
Fig. 3 is a detailed schematic diagram of the lower corner node structure of the present invention.
Fig. 4 is a detailed schematic diagram of the upper corner node structure of the present invention.
In the figure: 1. prefabricating a concrete layer; 11. a bottom prefabricated slab; 12. side precast slabs; 13. prefabricating a spliced seam; 2. a concrete layer is cast in place; 3. prefabricating a steel plate layer; 4. a circumferential steel beam; 41. a vertical ring beam; 42. a horizontal ring beam; 43. steel skeleton node; 5. a longitudinal steel beam; 6. a cushion layer; 7. prefabricating a tubular pile; 8. a steel bar sleeve; 81. shear reinforcement bars; 82. a sleeve; 9. connecting nodes of the piles and culverts; 91. Pre-burying a steel plate; 92. embedding anchor bolts; 93. casting a steel plate in situ; 94. and (6) mounting the nut.
Detailed Description
The present invention is further described below with reference to specific examples, which are only exemplary and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
The utility model provides a stake is contained unit-installment steel bone concrete utility tunnel, as shown in the figure, including pipe gallery main part and precast tubular pile 7, precast tubular pile 7 is fixed in the bottom of pipe gallery main part, pipe gallery main part and precast tubular pile 7 transmit vertical load to ground jointly.
The pipe gallery main body is placed on the cushion layer 6, the section of the pipe gallery main body is a rectangle with a single cabin or multiple cabins, the pipe gallery main body comprises an inner layer, a middle layer and an outer layer, the outer layer is a precast concrete layer 1, the middle layer is a cast-in-place concrete layer 2 and a precast steel plate layer 3, and the inner layer is a steel skeleton consisting of an annular steel beam 4 and a longitudinal steel beam 5.
The precast concrete layer 1 is composed of a bottom precast slab 11 and a side precast slab 12, the bottom precast slab 11 and the side precast slab 12 are connected by a precast splicing seam 13, and shear steel bars 81 extending out of the inner surface of the precast concrete layer 1 are pre-buried in the precast concrete layer 1.
The prefabricated steel plate layer 3 is a flat steel plate or a profiled steel plate, one side of the prefabricated steel plate layer 3 is connected with the steel framework, the other side of the prefabricated steel plate layer is connected with the cast-in-place concrete layer 2, a steel sleeve 82 and studs are welded on the prefabricated steel plate layer 3 connected with one side of the cast-in-place concrete layer 2, and the plurality of prefabricated steel plates are connected in the circumferential direction and the longitudinal direction through the studs or in a welding mode; the shear steel bars 81 and the steel bar sleeves 82 are connected in a steel bar inserting mode.
The annular steel beam 4 is formed by splicing a horizontal ring beam 42 and a vertical ring beam 41 through steel rib joints 43, the annular steel beam is connected into a whole through a longitudinal steel beam 5, and the longitudinal steel beam 5 is connected with the annular steel beam 4 through bolts. The steel rib node 43 is connected by adopting end plate flanges and is provided with stiffening ribs, and the connection is designed into a rigid connection, semi-rigid connection or hinged connection mode according to requirements. The distance between the annular steel beams 4 and the distance between the longitudinal steel beams 5 are determined by design. The steel beam section adopts the section form of welding H-shaped, H-shaped steel and other applicable steel members, and when the pipe gallery is large in size, the steel truss girder can also be adopted to improve the rigidity and the bearing capacity of the steel beam and save materials.
Precast tubular pile 7 is reinforcing bar or reinforcing bar concrete precast pile, precast tubular pile 7 is contained connecting node 9 through the stake and is fixed in the bottom of piping lane main part, connecting node 9 is contained by buried steel sheet 91 in advance, embedded anchor 92, cast-in-place steel sheet 93 and mounting nut 94 and constitutes, embedded steel sheet 91 is pour inside precast tubular pile 7, embedded anchor 92's one end is pour in precast tubular pile 7 and is welded with embedded steel sheet 91, and the other end passes the bottom of piping lane main part and fixes on the horizontal girth 42 of piping lane main part through mounting nut 94, cast-in-place steel sheet 93 sets up and establishes to weld on embedded anchor 92 in cast-in-place concrete layer 2's inside and cover.
The manufacturing steps of the pipe gallery:
(1) according to the sizes of all parts of the designed comprehensive pipe gallery, a vertical ring beam 41, a horizontal ring beam 42, a longitudinal steel beam 5 and a prefabricated steel plate layer 3 are prefabricated in a steel structure factory, and sleeves 82 are welded at corresponding positions of the prefabricated steel plate layer 3; processing a bottom precast slab 11, a side precast slab 12 and a precast tubular pile 7 in a concrete member precast plant, and embedding a shear steel bar 81, an embedded steel plate 91 and an embedded anchor bolt 92;
(2) splicing the vertical ring beam 41 and the horizontal ring beam 42 into an annular steel beam 4 on site through a steel rib node 43, connecting the annular steel beam 4 into a whole by using a longitudinal steel beam 5, and connecting the longitudinal steel beam and the annular steel beam by using bolts;
(3) the method comprises the following steps of (1) penetrating a precast tubular pile 7 into a dug foundation pit, then pouring a cushion layer 6, positioning and placing a bottom precast slab 11, paving a precast steel slab layer 3 on the surface of a steel skeleton formed by annular steel beams 4 and longitudinal steel beams 5, and integrally hoisting to a designed position; inserting the shear steel bars 81 at the bottom into the sleeve 82, enabling the embedded anchor bolts 92 to penetrate through the bottom prefabricated slab 11, the prefabricated steel slab layer 3 and the annular steel beams 4 and fixing the embedded anchor bolts by using mounting nuts 94, and if necessary, arranging a temporary support between the bottom prefabricated slab 11 and the prefabricated steel slab layer 3; and pouring the cast-in-place concrete layer 2 at the bottom, and vibrating.
(4) Installing a side prefabricated plate 12, and connecting the side prefabricated plate with a prefabricated abutted seam 13 of a bottom prefabricated plate 11 by adopting a process of inserting steel bars into a hole at the end of the other plate, namely, inserting the steel bars extending out of the end of one side plate into the hole at the end of the other plate, and pouring mortar into the hole; meanwhile, the lateral shear reinforcement 81 is inserted into the sleeve 82; and after the bottom surface part of the cast-in-place concrete layer 2 reaches the age, casting the cast-in-place concrete layers 2 on the side surface and the top surface, vibrating and curing.
(5) After the pipe gallery is built, the next section of pipe gallery is constructed, the precast concrete layer 1 is longitudinally connected in the modes of dowel grouting, mortise and tenon modeling or post-tensioning prestress and the like, holes are reserved in the precast slabs in the mode of post-tensioning prestress ribs, the prestress ribs are tensioned in a staggered mode, the longitudinal integrity of the precast slabs is guaranteed, and certain waterproof measures are taken at the abutted seam positions if necessary. The prefabricated steel plates of the plurality of blocks are connected in the circumferential direction and the longitudinal direction through the studs, the welding and other modes, the longitudinal steel beams are connected through the bolt end plates, and other processes are the same as those of the longitudinal steel beams until the whole pipe gallery is built.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920308725.5U CN210163936U (en) | 2019-03-12 | 2019-03-12 | Pile and culvert integrally assembled steel reinforced concrete integrated pipe gallery |
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| CN201920308725.5U CN210163936U (en) | 2019-03-12 | 2019-03-12 | Pile and culvert integrally assembled steel reinforced concrete integrated pipe gallery |
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| CN210163936U true CN210163936U (en) | 2020-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972657A (en) * | 2019-03-12 | 2019-07-05 | 苏州科技大学 | Piles and culverts integrally assembled steel-reinforced concrete comprehensive pipe gallery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972657A (en) * | 2019-03-12 | 2019-07-05 | 苏州科技大学 | Piles and culverts integrally assembled steel-reinforced concrete comprehensive pipe gallery |
| CN109972657B (en) * | 2019-03-12 | 2024-12-03 | 苏州科技大学 | Pile culvert integrally assembled steel-reinforced concrete integrated pipeline corridor |
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