CN217078855U - Full assembled underground pipe gallery constructs PEC integrated configuration with underground space altogether - Google Patents
Full assembled underground pipe gallery constructs PEC integrated configuration with underground space altogether Download PDFInfo
- Publication number
- CN217078855U CN217078855U CN202123252281.4U CN202123252281U CN217078855U CN 217078855 U CN217078855 U CN 217078855U CN 202123252281 U CN202123252281 U CN 202123252281U CN 217078855 U CN217078855 U CN 217078855U
- Authority
- CN
- China
- Prior art keywords
- pipe gallery
- plate
- reinforced concrete
- side wall
- pec
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The full-assembly type underground pipe gallery and the underground space form a PEC combined structure together, wherein the PEC combined structure comprises a bottom layer pipe gallery, an earth-facing side wall, a middle plate, a top plate and a PEC beam; the bottom-layer pipe gallery is formed by splicing a plurality of reinforced concrete pipe gallery precast blocks, the soil-facing side wall is formed by splicing a plurality of combined side wall plates, each combined side wall plate comprises a reinforced concrete plate and an H-shaped steel column, the bottom of each H-shaped steel column is connected with a channel steel connecting piece pre-embedded in the top surface of each reinforced concrete pipe gallery precast block, and a PEC beam is rigidly connected between the top ends of every two H-shaped steel columns which are spaced at the same side; the medium plate is formed by the concatenation of polylith combination medium plate, and the roof is formed by the concatenation of polylith combination roof, all includes reinforced concrete board and girder steel, and the girder steel is connected equally by force with the short beam joint on the H shaped steel post. The utility model discloses compare with general prefabricated assembled concrete structure component entirely, all make apparent progress in design, construction, fortune dimension each side, have social, economic environmental benefit and the spreading value that are showing.
Description
Technical Field
The utility model belongs to the technical field of municipal works, a underground structure thing is related to, concretely relates to full assembled underground pipe gallery constructs PEC integrated configuration with the underground space.
Background
At present, city underground space development adopts the central region underground space to concentrate the construction, and the development mode of peripheral underground space independent construction exists municipal administration, the many facilities collineations of traffic in the red line within range, and the vertical range upon range of structure, the horizontal interconnection's of underground space condition of intercommunication adopts the structure of co-structure, can realize the integration construction of collineation facility, share the basis, intensive space improves the construction benefit, also can be for unmanned logistics sanitation reservation condition.
The existing assembly type underground structure is mainly of a full reinforced concrete structure, a full-prefabricated assembly connection mode or an overlapping structure mode is adopted, the overlapping structure is low in prefabrication rate, post-cast concrete is more, the advantages of construction, construction period, construction cost, environmental effect and the like are not obvious, the full-prefabricated reinforced concrete members are large in general size, heavy in weight, high in transportation cost and even difficult to transport, the field hoisting process is complex, the equipment requirement is high, the different section stress change differences of the same member are large, the transverse joint cuts off the connection of the main stress members, the influence of the connection structure and the connection parts on the overall rigidity needs to be considered when the main structure is stressed, the cost of acquiring parameters through experiment and simulation calculation is high, the design calculation is complex, the accuracy is low, and the waterproof performance is also influenced by the stress characteristics of the main structure. Therefore, the research on a novel fully-assembled underground structure system with light weight, small size, low transportation cost and convenient construction and installation is an important direction for the development of future underground engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a full assembled underground pipe gallery constructs PEC integrated configuration with the underground space is provided.
The purpose of the utility model can be realized by the following technical scheme: a full-assembly type underground pipe gallery and underground space co-constructed PEC combined structure comprises a bottom layer pipe gallery, an earth-facing side wall, a middle plate, a top plate and a PEC beam; the bottom-layer pipe gallery is formed by assembling a plurality of reinforced concrete pipe gallery prefabricated blocks, two adjacent reinforced concrete pipe gallery prefabricated blocks are connected through a longitudinal joint, and the top surfaces of the reinforced concrete pipe gallery prefabricated blocks are provided with channel steel connecting pieces; the soil-facing side wall is formed by splicing a plurality of combined side wall plates, each combined side wall plate comprises a reinforced concrete plate and an H-shaped steel column fixed on the reinforced concrete plate through shear-resistant studs, each H-shaped steel column is provided with a short beam joint for mounting a middle plate and a top plate, the bottom of each H-shaped steel column is connected with a channel steel connecting piece on the top surface of a reinforced concrete pipe gallery prefabricated block, and a PEC beam is rigidly connected between the top ends of every two spaced H-shaped steel columns on the same side; the medium plate is formed by the concatenation of polylith combination medium plate, the roof is formed by the concatenation of polylith combination roof, combination medium plate and combination roof all include reinforced concrete board and are fixed in the girder steel on reinforced concrete board through shear bolt nail, and the girder steel all adopts equal strong the connection with the short beam joint on the H shaped steel post.
Further, the longitudinal joint between the prefabricated blocks of the reinforced concrete pipe gallery comprises a tenon and pre-stressed finish-rolled deformed steel bar.
Furthermore, a waterproof sealing gasket is arranged on the longitudinal joint.
Furthermore, each two adjacent H-shaped steel columns on the same side of the combined side wall plate are welded with batten plates to form lattice type steel columns.
Further, fine aggregate concrete is poured on the H-shaped steel columns of the combined side wall board to form the PEC combined column.
Compared with the prior art, the utility model has the advantages of general assembled structure, but batch production, quality homogeneous, construction cycle are short, the construction precision is high, construction cost is low, the quality is controllable, noise and environmental pollution are few, the site operation template uses few, the site construction material is extravagant few. In addition, compared with the general fully prefabricated concrete structural member, the following advantages are provided: in the design aspect, the joint stress is separated from the main body stress, the force transmission path is more definite, and the structural calculation analysis is more accurate; in the aspect of construction, the components are small, the weight is light, the construction equipment and the installation complexity are reduced, the node treatment on the construction site is more convenient, the construction period can be further shortened, the construction difficulty is reduced, the engineering quality is improved, the effects in the aspects of energy saving, water saving, material saving and the like are very obvious, the construction waste and the construction dust can be greatly reduced, and the environmental protection is more facilitated; in the aspect of operation and maintenance, the structure stress system is clear, so that the whole life cycle structure health monitoring arrangement, implementation, maintenance and diagnosis are facilitated, the structure strengthening and reinforcing design after the design service life is achieved is facilitated, and the service life are prolonged. Therefore, in a long term, the structural system has remarkable social benefit, economic and environmental benefit and popularization value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of a precast block of a reinforced concrete pipe gallery according to the present invention;
fig. 3 is a schematic structural view of the short combined side wall plate of the present invention;
fig. 4 is a schematic structural view of a long combined side wall plate of the present invention;
fig. 5 is a schematic cross-sectional view of a PEC composite column according to the present invention;
fig. 6 is a schematic structural view of the combined middle plate according to the present invention;
fig. 7 is a schematic structural view of the composite top plate according to the present invention;
fig. 8 is a schematic structural view of a PEC beam in the present invention;
FIG. 9 is a schematic cross-sectional view of two PEC composite columns and their upper gusset plate according to the present invention;
FIG. 10 is a schematic view of step (3) during the construction of the present invention;
FIG. 11 is a schematic view of step (4) during the construction of the present invention;
FIG. 12 is a schematic view of step (4) during the construction of the present invention;
FIG. 13 is a schematic view of step (4) during the construction of the present invention;
FIG. 14 is a schematic view of step (5) during the construction of the present invention;
FIG. 15 is a schematic view of the step (6) of the present invention;
fig. 16 is a schematic view of step (7) in the construction of the present invention.
The reference numbers are as follows:
1 reinforced concrete pipe gallery prefabricated block
2 short combined side wall board
2a short combined side wall board
2b short combined side wall board
2c short combined side wall board
3 long combined side wall board
3a long combined side wall plate
3b long combined side wall plate
3c long combined side wall board
4 combination middle plate
4a combined middle plate
4b combined middle plate
4c combined middle plate
5 Combined top board
5a Combined roof
5b Combined top plate
5c Combined top plate
6PEC beam
7H shaped steel post
8 channel steel connecting piece
9 short beam joint
10 batten plate
11 fine stone concrete
12 structure steel bar
13PEC combination column.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Referring to fig. 1, a full-assembled underground pipe gallery and underground space constitute PEC integrated configuration altogether, includes bottom layer pipe gallery, soil-facing side wall, medium plate, roof, PEC roof beam 6.
The bottom layer pipe gallery is used as the bottom layer structure and is used for meeting the laying requirements of various pipelines. Referring to fig. 2, the bottom layer piping lane is assembled by polylith reinforced concrete piping lane prefabricated section 1 and is formed, and every reinforced concrete piping lane prefabricated section 1 is horizontal full-section prefabricated reinforced concrete component, is connected through longitudinal joint between two adjacent reinforced concrete piping lane prefabricated sections 1. The longitudinal joint comprises a tenon and a prestress finish rolling screw-thread steel, a waterproof sealing gasket can be arranged on the longitudinal joint, and the waterproof sealing gasket is matched with local prestress, so that the waterproof effect can be realized under the condition that the stress influence of the main structure is not required to be considered. The top surface of the reinforced concrete pipe gallery precast block 1 is provided with a channel steel connecting piece 8 for connecting an H-shaped steel column 7 of the combined side wall plate.
The soil-facing side wall is used for bearing the soil-facing pressure and is formed by splicing a plurality of combined side wall plates. Fig. 1 and 3 show the soil-facing side wall on the middle layer side, which is formed by splicing a plurality of short combined side wall boards 2, and the short combined side wall board 2a, the short combined side wall board 2b and the short combined side wall board 2c are taken as a unit; fig. 1 and 4 show the soil-facing side wall on the other side of the top layer and the middle layer, which is formed by splicing a plurality of long combined side wall boards 3, and the long combined side wall board 3a, the long combined side wall board 3b and the long combined side wall board 3c are taken as a unit. Each combined side wall plate adopts a combined structure of an H-shaped steel column 7 and a reinforced concrete slab, and comprises the reinforced concrete slab and the H-shaped steel column 7 fixed on the reinforced concrete slab through shear-resistant studs, wherein the H-shaped steel column 7 is provided with a short beam joint 9 for mounting a middle plate and a top plate. Referring to fig. 5, the bottom of the H-shaped steel column 7 is connected to the channel steel connector 8 on the top surface of the precast reinforced concrete pipe gallery block 1, the H-shaped steel column 7 is used for bearing vertical load, and after the H-shaped steel column 7 is connected to the channel steel connector 8, fine aggregate concrete 11 is poured into a cavity between the wing plate and the web plate of the H-shaped steel column 7, and optionally, a construction steel bar 12 is configured, so as to form a PEC combined column. The PEC combined column strengthens the waterproof and compressive bearing capacity of the vertical joint of the combined side wall plate, and simultaneously the opening section is locally bent, so that the bending resistance, torsional rigidity and overall stability of the whole section are improved, the fireproof and anticorrosion measures on the surface of the original H-shaped steel column are reduced, the PEC combined column is more economical and applicable, and the durability is improved.
The middle plate is formed by splicing a plurality of combination middle plates 4, and the middle plates shown in fig. 6 are a middle plate unit including a combination middle plate 4a, a combination middle plate 4b and a combination middle plate 4 c. Each combined middle plate 4 adopts a steel beam and reinforced concrete combined structure and comprises a reinforced concrete plate and a steel beam fixed on the reinforced concrete plate through shear resistant studs, and the steel beam is connected with a short beam joint 9 on the H-shaped steel column 7 with equal strength.
The top plate is formed by splicing a plurality of combined top plates 5, and the top plate shown in fig. 7 uses a combined top plate 5a, a combined top plate 5b and a combined top plate 5c as a top plate unit. Each combined top plate 5 adopts a steel beam and reinforced concrete combined structure and comprises a reinforced concrete plate and a steel beam fixed on the reinforced concrete plate through shear-resistant studs, and the steel beam is connected with a short beam joint 9 on the H-shaped steel column 7 with equal strength.
Referring to fig. 1 and 8, two ends of the PEC beam 6 are respectively and rigidly connected with the top ends of two H-shaped steel columns 7 spaced at the same side, and the PEC beam 6 is used as a top-layer large-span beam, so that the torsional rigidity, the bending rigidity and the bearing capacity are improved. After the PEC beam 6 is connected with the two H-shaped steel columns 7, referring to fig. 9, the two adjacent H-shaped steel columns 7 can be connected with the batten plate 10 by welding to form a lattice-type steel column, and then the fine aggregate concrete is poured into the lattice-type steel column to form the PEC composite column 13, so that the PEC beam and PEC composite column combined structure is formed, and the overall deformation and stress are greatly improved.
A construction method for a full-assembly type underground pipe gallery and underground space co-constructed PEC combined structure comprises the following steps:
(1) constructing enclosure, leveling field, dredging traffic, constructing outer underground continuous wall and lowering water in pit.
(2) Excavating a foundation pit to the bottom of the pit, constructing a cushion layer, paving the bottom and constructing a waterproof layer.
(3) Referring to fig. 10, the reinforced concrete pipe gallery precast blocks 1 are positioned and hoisted, and the longitudinal joints are adopted to connect two adjacent reinforced concrete pipe gallery precast blocks 1.
(4) Referring to fig. 11, the short combined side wall plate 2a and the long combined side wall plate 3a are positioned and hoisted, so that the H-shaped steel column 7 of each combined side wall plate is bolted and welded with the channel steel connecting piece 8 on the corresponding side of the reinforced concrete pipe gallery precast block 1; referring to fig. 12, the short combined side wall plate 2b and the long combined side wall plate 3b are positioned and hoisted again, so that the H-shaped steel column 7 of each combined side wall plate is bolted and welded with the channel steel connecting piece 8 on the corresponding side of the reinforced concrete pipe gallery precast block 1; referring to fig. 13, next, the short combined side wall plate 2c and the long combined side wall plate 3c are positioned and hoisted, so that the H-shaped steel column 7 of each combined side wall plate is bolted and welded with the channel steel connecting piece 8 on the corresponding side of the reinforced concrete pipe gallery precast block 1.
(5) Referring to fig. 14, the PEC beam 6 is hoisted so that both ends thereof are rigidly connected to the top ends of two spaced H-shaped steel columns 7 of the same-side combined side wall panel respectively.
(6) Referring to fig. 15, the middle combined plate 4a, the middle combined plate 4b and the middle combined plate 4c are hoisted, so that the steel beam of each middle combined plate 4 is connected with the short beam joint 9 on the H-shaped steel column 7 of the combined side wall plate with equal strength.
(7) Referring to fig. 16, the combined top plate 5a, the combined top plate 5b and the combined top plate 5c are hoisted, so that the steel beam of each combined top plate 5 is connected with the short beam joint 9 on the H-shaped steel column 7 of the combined side wall plate with equal strength.
(8) And welding batten plates 10 on two adjacent H-shaped steel columns 7 of the combined side wall plate, and pouring fine aggregate concrete on the two H-shaped steel columns 7 to form the PEC combined column.
(9) The local prestress tensions the joints.
And (4) assembling a unit, and repeating the steps (3) - (9) to assemble other units until the whole PEC composite structure is constructed.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (5)
1. A full-assembly type underground pipe gallery and underground space co-constructed PEC combined structure is characterized by comprising a bottom layer pipe gallery, an earth-facing side wall, a middle plate, a top plate and a PEC beam;
the bottom-layer pipe gallery is formed by assembling a plurality of reinforced concrete pipe gallery prefabricated blocks, two adjacent reinforced concrete pipe gallery prefabricated blocks are connected through a longitudinal joint, and the top surfaces of the reinforced concrete pipe gallery prefabricated blocks are provided with channel steel connecting pieces;
the soil-facing side wall is formed by splicing a plurality of combined side wall plates, each combined side wall plate comprises a reinforced concrete plate and an H-shaped steel column fixed on the reinforced concrete plate through shear-resistant studs, each H-shaped steel column is provided with a short beam joint for mounting a middle plate and a top plate, the bottom of each H-shaped steel column is connected with a channel steel connecting piece on the top surface of a reinforced concrete pipe gallery prefabricated block, and a PEC beam is rigidly connected between the top ends of every two spaced H-shaped steel columns on the same side;
the medium plate is formed by the concatenation of polylith combination medium plate, the roof is formed by the concatenation of polylith combination roof, combination medium plate and combination roof all include reinforced concrete board and are fixed in the girder steel on reinforced concrete board through shear bolt nail, and the girder steel all adopts equal strong the connection with the short beam joint on the H shaped steel post.
2. The fully assembled underground pipe gallery and underground space co-constructed PEC composite structure of claim 1, wherein the longitudinal joints between the precast blocks of the reinforced concrete pipe gallery comprise a tenon and a pre-stressed finish-rolled deformed steel bar.
3. The fully assembled underground pipe gallery and underground space co-constructed PEC composite structure according to claim 1 or 2, wherein a waterproof gasket is arranged on the longitudinal joint.
4. The fully assembled underground pipe gallery and underground space co-constructed PEC composite structure according to claim 1, wherein batten plates are welded to each two adjacent H-shaped steel columns on the same side of the composite side wall plate to form lattice steel columns.
5. The fully assembled underground pipe gallery and underground space co-constructed PEC composite structure of claim 4, wherein the H-shaped steel columns of the combined side wall panels are poured with fine stone concrete to form the PEC composite columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123252281.4U CN217078855U (en) | 2021-12-22 | 2021-12-22 | Full assembled underground pipe gallery constructs PEC integrated configuration with underground space altogether |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123252281.4U CN217078855U (en) | 2021-12-22 | 2021-12-22 | Full assembled underground pipe gallery constructs PEC integrated configuration with underground space altogether |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217078855U true CN217078855U (en) | 2022-07-29 |
Family
ID=82541397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123252281.4U Active CN217078855U (en) | 2021-12-22 | 2021-12-22 | Full assembled underground pipe gallery constructs PEC integrated configuration with underground space altogether |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217078855U (en) |
-
2021
- 2021-12-22 CN CN202123252281.4U patent/CN217078855U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107090925B (en) | Reinforced precast reinforced concrete shear wall, structural system and construction method thereof | |
| CN107245934A (en) | A kind of assembled steel profiled sheet concrete combined board small box girder | |
| CN110173076B (en) | Structural system comprising high-seismic-resistance welding-free concrete filled steel tube column and construction method thereof | |
| CN112502714B (en) | Assembled shaft barrel structure and design and construction method | |
| CN110863417A (en) | Steel-concrete combined beam bridge capable of being installed quickly and construction method thereof | |
| CN111962372A (en) | Road-rail combined construction steel web member double-combination continuous truss girder and construction method thereof | |
| CN110607867A (en) | Non-dismantling mold laminated slab | |
| CN111749365B (en) | H-shaped steel-based assembled composite wall and construction method thereof | |
| CN113389268A (en) | Assembly type reinforced concrete frame disassembly-free formwork combined connecting system and construction method thereof | |
| JP2006009449A (en) | Truss panel girder and precast truss panel | |
| CN114182757A (en) | Full-assembly type underground pipe gallery and underground space co-constructed PEC combined structure and construction method | |
| CN111749364B (en) | Assembled composite wall based on C-shaped steel and construction method thereof | |
| CN117587923A (en) | Dry connection frame node structure and construction method thereof | |
| CN211735002U (en) | Steel-concrete combined beam bridge capable of being installed quickly | |
| KR100274141B1 (en) | Manufacturing method of preplex composite beem by divisional method | |
| CN217078855U (en) | Full assembled underground pipe gallery constructs PEC integrated configuration with underground space altogether | |
| CN103924669B (en) | A kind of assembled steel reinforced concrete composite frame structure | |
| CN216195405U (en) | Assembled concrete beam column connected node | |
| CN215519244U (en) | Novel special-shaped lattice column assembly type steel structure system | |
| CN114458058A (en) | Single-column assembled elevated station | |
| CN113431187B (en) | Layered assembly type beam column node | |
| CN113863494A (en) | Assembly type concrete beam column connecting node and mounting method thereof | |
| CN211547345U (en) | Assembled steel-UHPC combined structure based on bolted connection | |
| CN102888933A (en) | Shearing prefabricated component for assembling type hollow gridding plate floor structure | |
| CN112195751A (en) | Semi-penetrating type steel truss bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |