CN107227870B - Substation building spliced by prefabricated parts - Google Patents
Substation building spliced by prefabricated parts Download PDFInfo
- Publication number
- CN107227870B CN107227870B CN201710611898.XA CN201710611898A CN107227870B CN 107227870 B CN107227870 B CN 107227870B CN 201710611898 A CN201710611898 A CN 201710611898A CN 107227870 B CN107227870 B CN 107227870B
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- layer
- precast
- building
- external wall
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 66
- 239000010959 steel Substances 0.000 claims description 66
- 239000004567 concrete Substances 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 30
- 238000005266 casting Methods 0.000 claims description 26
- 238000013461 design Methods 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 24
- 238000011065 in-situ storage Methods 0.000 claims description 17
- 239000011150 reinforced concrete Substances 0.000 claims description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 11
- 239000000565 sealant Substances 0.000 claims description 11
- 210000003195 fascia Anatomy 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 239000011083 cement mortar Substances 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 5
- 239000010410 layer Substances 0.000 description 57
- 238000000034 method Methods 0.000 description 25
- 238000010276 construction Methods 0.000 description 24
- 230000002787 reinforcement Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000009417 prefabrication Methods 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 239000013524 weatherproof sealant Substances 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/04—Transformer houses; Substations or switchgear houses
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/948—Fire-proof sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/08—Vertical ducts; Channels, e.g. for drainage for receiving utility lines, e.g. cables, pipes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Building Environments (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a transformer substation building spliced by prefabricated parts, which comprises a foundation and the prefabricated parts, wherein the foundation is in field operation, the prefabricated parts are produced in batches by factories, and the transformer substation building is manufactured into a building through splicing the prefabricated parts.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a transformer substation building spliced by prefabricated parts.
Background
The prefabricated members of the fabricated building are produced by adopting high-precision dies, and the prefabricated members have the advantages of ensuring the engineering quality, reducing the material loss, improving the construction speed, reducing the labor intensity and saving the labor force, and meet the requirements of green construction. The foreign fabricated building has earlier development, relatively mature technology and has been greatly popularized. In China, in recent years, the special advantages of the prefabricated concrete structure house are paid attention to and paid to by the building industry, and the domestic real estate tap universal group has promoted the prefabricated concrete structure house nationally, has made an attempted revolution and has obtained good results. Grid companies have also performed small-scale pilot site construction on substation prefabricated building structures. The prefabricated substation is used as an emerging green environment-friendly energy-saving building, and along with the requirement of building industrialization, the developed world countries take industrial prefabrication and assembly construction of the building as important marks of industrial modernization.
How to splice the prefabricated building is firm, stability is always the problem that the spliced building solves, and when the transformer substation is applied to the spliced building, a scheme different from the traditional prefabricated building needs to be designed due to wiring and electrical application, so that the transformer substation building spliced by prefabricated components is needed to solve the problem.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the invention is to provide a transformer substation building spliced by prefabricated parts.
In order to solve the technical problems, the invention is realized by the following scheme: a substation building spliced by prefabricated parts, the substation building comprising a foundation and prefabricated parts, the foundation being in-situ work, the prefabricated parts being mass produced by a factory, the prefabricated parts comprising:
the precast beam comprises a main reinforcement, stirrups, a casting beam and an embedded part, wherein the main reinforcement is bound by the stirrups, the bound reinforcement is transversely downwards poured into a concrete column to form a bound reinforcement with the upper part being an exposed part, the casting beam is arranged at the lower part, the embedded part is arranged in the casting beam, a section of non-poured column area is reserved for the bound reinforcement to be used for connecting other precast components, and a lap joint part is arranged at the side edge of the precast beam, and a steel plate is embedded at the joint part of the lap joint part and a precast external wall plate and is used for welding with angle steel;
the precast column comprises precast column binding ribs, a casting column, a grouting sleeve and an embedded part, wherein the casting column is formed by casting concrete, the precast column binding ribs and the embedded part are arranged in the casting column, a part of the length of each precast column binding rib is exposed for connecting other precast components, and the grouting sleeve is sleeved on the exposed precast column binding ribs;
the prefabricated floor slab is a half-prefabricated truss reinforced composite floor slab, the prefabricated floor slab is provided with three layers, the uppermost layer is a cast-in-situ layer, the middle layer is a ribbed filling layer, the lowermost layer is a prefabricated plate, and the prefabricated floor slab is provided with a lap joint part for lap joint with the prefabricated beam;
the prefabricated stairway is provided with a multi-stage step, is formed by integrally casting, is provided with mounting holes at the first-stage step and the second-stage step at the upper end and the second-stage step as well as at the bottom-stage step and the negative second-stage step, and is connected with the cast-in-situ layer of the prefabricated floor slab through a steel bar straight anchor;
the prefabricated inner wall plate comprises a hollow light partition wall and a ceramic particle board partition wall, wherein the hollow light partition wall is used when a pipeline is required to be penetrated inside, the ceramic particle board partition wall is used in other places, the prefabricated inner wall plate is connected with a prefabricated floor slab by adopting reinforced bars for grafting, and polymerized cement mortar is used for jointing after grafting; the hollow light partition wall is provided with a plurality of threading holes, and two side surfaces of the hollow light partition wall are provided with positioning grooves;
the prefabricated external wall panel comprises an upper reinforced concrete layer, a lower reinforced concrete layer and a heat preservation layer clamped in the middle, wherein the inner and outer page walls of the prefabricated external wall panel are two-way rib plates;
the method comprises the steps of prefabricating a cable shaft, wherein the prefabricated cable shaft is connected in a sectional mode and assembled on site, a splicing hole is formed in one end of the cable shaft, a reserved steel bar inserting part is formed in the other end of the cable shaft, splicing bars are arranged on the ground on site, and then the cable shaft and the splicing bars are connected together in a splicing mode, and secondary pouring concrete is adopted in a middle gap;
the prefabricated components are all provided with connecting structures, the prefabricated components are spliced through a house design structure, the prefabricated columns are spliced through reserved reinforcing steel bars of a foundation, the prefabricated columns and the prefabricated beams are mutually crossed through reserved binding steel bars and are connected through steel bar binding, prefabricated plates of the prefabricated floor slab are connected to the lap joint parts of the prefabricated beams in lap joint mode, floor slab erection reinforcing steel bars and filling ribbed filling layers are arranged after the prefabricated plates are in place, top stress reinforcing steel bars are arranged, and finally the prefabricated beams and the prefabricated beams are cast-in-situ to form cast-in-place layers of the prefabricated floor slab; the prefabricated external wall panel is connected with the prefabricated beam in a downward bracing type rigid mode, angle steel is arranged at the upper and lower connection positions of the prefabricated external wall panel and the prefabricated beam, the angle steel vertical plate is connected with the prefabricated external wall panel through high-strength bolts, the transverse plate of the angle steel vertical plate is connected with the prefabricated beam through anchor bars, and the angle steel is welded with the embedded steel plate of the prefabricated beam.
Further, the prefabricated slab of the prefabricated floor slab is provided with a slab lower ditch, the slab lower ditch utilizes the prefabricated part of the superimposed sheet to be the bottom of the cable ditch, the filling layer is reserved to be used as a cable penetrating space, and the ditch top is blocked by a patterned steel cover plate.
Further, prefabricated side fascia is connected with the prefabricated post, and the seam crossing of two prefabricated side fascia has filled refractory joint material, foaming neoprene airtight strip, foaming polyethylene stick, building sealant in proper order from interior to exterior, prefabricated side fascia is filled with the fire prevention shutoff with prefabricated post junction, the fire prevention shutoff both sides are filled with elasticity caulking material, prefabricated side fascia outermost is the decorative cover.
Further, prefabricated component still includes the electrical prefabricated plate of building, the vertical a plurality of prefabricated holes that are equipped with of electrical prefabricated plate of building, its side direction is equipped with prefabricated hole, the surface of electrical prefabricated plate of building is equipped with the pre-installation groove, the mounting groove is embedded, and the box installation back is with the plate body, and the mounting groove is used for embedded electronic box including illumination block terminal, maintenance power supply box, headstock at least.
Further, the transformer substation building is provided with an anti-seepage structure, a water dripping line is arranged at the bottom of the balcony and awning prefabricated parts of the prefabricated external wall board, the transverse seam of the prefabricated external wall board is waterproof in structure, a tongue-and-groove seam or a high-low seam is formed, the vertical seam is filled with a caulking material with reliable waterproof performance, and the prefabricated external wall board seam is filled with weather-resistant sealant with good compatibility with concrete.
Compared with the prior art, the invention has the beneficial effects that: the transformer substation building is formed by splicing and combining prefabricated parts, and the full-prefabricated scheme has the advantages of low resource consumption, less environmental pollution, shortest site construction period and high quality control degree.
Drawings
FIG. 1 is an exemplary diagram of a substation architecture according to the present invention;
FIG. 2 is a schematic diagram of the distribution of each layer of the substation building according to the invention;
FIG. 3 is a schematic view of a prefabricated column structure according to the present invention;
FIG. 4 is a schematic view of a precast beam structure according to the present invention;
FIG. 5 is a schematic view of a precast floor plank structure of the present invention;
FIG. 6 is a schematic view of the structure of the prefabricated staircase of the present invention;
FIG. 7 is a schematic view of a prefabricated interior wall panel structure according to the present invention;
FIG. 8 is a schematic view of the structure of a prefabricated cable shaft of the present invention;
FIG. 9 is a schematic view of the assembly of a precast beam and precast column node of the present invention;
FIG. 10 is a schematic view of the prefabricated exterior wall panel and prefabricated column node assembly of the present invention;
FIG. 11 is a schematic view of the prefabricated exterior wall panel and prefabricated beam node assembly of the present invention;
FIG. 12 is a schematic view of an assembled precast beam and precast floor slab node of the present invention;
fig. 13 is a schematic view of the structure of the electrical prefabricated panel for construction according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 to 13, the substation building spliced by the prefabricated parts of the present invention includes a foundation and the prefabricated parts, the foundation is a field operation, the prefabricated parts are mass-produced by a factory, and the prefabricated parts include:
the precast beam 1, the precast beam 1 comprises a main rib 103, stirrups 102, a casting beam 101 and embedded parts, the main rib 103 is bound through the stirrups 102, the bound ribs are horizontally arranged below concrete casting columns to form binding ribs with exposed upper parts, the casting beam 101 is arranged below the binding ribs, embedded parts are arranged in the casting beam 101, a section of non-casting column area is reserved for connecting other precast components by the binding ribs, and a lap joint part is arranged on the side edge of the precast beam 1, and a steel plate is embedded at the joint of the precast beam and the precast external wall panel 5 and is used for welding with angle steel;
the precast column 6, the precast column 6 comprises precast column bundling ribs 603, a casting column 601, a grouting sleeve 602 and an embedded part, the casting column 601 is concrete casting, the precast column bundling ribs 603 and the embedded part are arranged in the casting column, a part of the length of the precast column bundling ribs 603 is exposed for connecting other precast components, and the grouting sleeve 602 is sleeved on the exposed precast column bundling ribs 603;
the prefabricated floor slab 2 is a half-prefabricated truss steel bar composite floor slab, the prefabricated floor slab 2 is provided with three layers, the uppermost layer is a cast-in-situ layer 201, the middle layer is a ribbed filling layer 202, the lowermost layer is a prefabricated plate 203, and the prefabricated floor slab 2 is provided with a lap joint part for lap joint with the prefabricated beam 1;
the prefabricated staircase 3 is provided with a plurality of steps, the prefabricated staircase 3 is formed by integrally casting, mounting holes 301 are formed at the first-stage step and the second-stage step at the upper end and the second-stage step at the bottom end, and the prefabricated staircase 3 is connected with the cast-in-situ layer 201 of the prefabricated floor slab 2 through a steel bar straight anchor;
the prefabricated inner wall board 4 comprises a hollow light partition wall and a ceramic particle board partition wall, wherein the hollow light partition wall is used when a pipeline is required to be penetrated inside, the ceramic particle board partition wall is used in other places, the prefabricated inner wall board 4 is connected with the prefabricated floor slab 2 by adopting steel bars for grafting, and a polymerized cement mortar joint is used after grafting; the hollow light partition wall is provided with a plurality of threading holes 401, and two side surfaces of the hollow light partition wall are provided with positioning grooves 402;
the prefabricated external wall panel 5 comprises an upper reinforced concrete layer, a lower reinforced concrete layer and a heat preservation layer 8 which is clamped between the upper reinforced concrete layer and the lower reinforced concrete layer, wherein the inner page wall and the outer page wall of the prefabricated external wall panel 5 are two-way rib plates;
the method comprises the steps of prefabricating a cable shaft 17, wherein the prefabricating cable shaft 17 is connected in a sectional mode and assembled on site, a splicing hole is formed in one end of the cable shaft 17, a reserved steel bar inserting part is arranged at the other end of the cable shaft, splicing bars are firstly arranged on the ground on site, then the splicing bars are connected together in a splicing mode, and secondary concrete pouring is adopted in a middle gap;
the prefabricated components are all provided with connecting structures, the prefabricated components are spliced through a house design structure, the prefabricated columns 6 are spliced through foundation reserved steel bars, the prefabricated columns 6 and the prefabricated beams 1 are mutually crossed through reserved binding bars and are connected through steel bars, the prefabricated plates 203 of the prefabricated floor slabs 2 are lapped to the lap joint parts of the prefabricated beams 1, floor slab erection steel bars and filling rib filling layers 202 are arranged after the prefabricated floor slabs are in place, top stressed steel bars are arranged, and finally the prefabricated beams and the prefabricated beams 1 are cast in situ to form cast-in-situ layers 201 of the prefabricated floor slabs 2; the prefabricated external wall panel 5 is in downward bracing type rigid connection with the prefabricated beam 1, angle steel 508 is arranged at the upper and lower connection position of the prefabricated external wall panel 5 and the prefabricated beam 1, a vertical plate of the angle steel 508 is connected with the prefabricated external wall panel 5 through a high-strength bolt 506, a transverse plate of the vertical plate is connected with the prefabricated beam 1 through an anchor bar 507, and the angle steel 508 is welded with an embedded steel plate of the prefabricated beam 1.
The prefabricated slab 203 of the prefabricated floor slab 2 is provided with a slab lower ditch, the slab lower ditch utilizes the prefabricated part of the superimposed sheet to be the bottom of the cable ditch, the filling layer is reserved to be used as a cable penetrating space, and the ditch top is blocked by a patterned steel cover plate.
The prefabricated external wall panels 5 are connected with the prefabricated columns 6, the joints of the two prefabricated external wall panels 5 are sequentially filled with fire-resistant joint materials 12, foam neoprene airtight strips 11, foam polyethylene rods 10 and building sealant 9 from inside to outside, the joints of the prefabricated external wall panels 5 and the prefabricated columns 6 are filled with fire-resistant plugs 14, two sides of each fire-resistant plug 14 are filled with elastic caulking materials 13, and the outermost layer of each prefabricated external wall panel 5 is a decorative surface.
The prefabricated component still includes building electrical precast slab 15, the vertical a plurality of prefabricated holes 151 that are equipped with of building electrical precast slab 15, its side direction is equipped with prefabricated hole 151, the surface of building electrical precast slab 15 is equipped with the pre-installation groove 152, the mounting groove 152 is embedded, and the box installation back is with the plate body, and the mounting groove 152 is used for embedded electric box including illumination block terminal, maintenance power supply box, headstock at least.
The transformer substation building is provided with an anti-seepage structure, balcony and awning prefabricated components of the prefabricated external wall panels 5 are picked out, water dripping lines are arranged at the bottoms of the boards, transverse seams of the prefabricated external wall panels 5 are waterproof in structure, tongue-and-groove seams or high-low seams are made, the vertical seams are filled with caulking materials with reliable waterproof performance, and the prefabricated external wall panels are filled with weather-resistant sealant with good compatibility with concrete.
Example 1, preparation and construction of precast beam 1:
the design scheme is as follows: the maximum span of the frame is 10.50m, wherein the larger part span is 6.0m, the small amount is 3.0m, three beam sections with the width of 300mm and the heights of 1100, 600 and 500 are respectively selected according to corresponding specifications, C30 is selected for concrete, HRB400 is adopted as a main beam reinforcement, HPB300 is adopted as a stirrup, the beam is a superposed beam, binding of the main beam reinforcement and the stirrup is completed in a prefabrication factory, pouring of the lower part is completed, the thickness of the superposed part at the upper part is 255mm, and pouring after the combination of members such as a column, a floor slab and the like is completed on site.
The production process comprises the following steps: the precast beam is produced by adopting a special die in a factory, and the process flow is as follows: binding and forming the steel bars, assembling the mould, installing the embedded part, pouring concrete and curing.
The installation process comprises the following steps: erecting a beam temporary shoring, hoisting a precast beam in place and adjusting elevation; and (3) hoisting the prefabricated laminated slab in place, partially plugging the mould, inserting the hogging moment steel bars on the beam and the floor slab, and finally carrying out concrete pouring on the laminated layer. The process omits the beam plate formwork supporting process, saves the template consumption, and realizes the perfect combination of beams, plates and columns.
Example 2, preparation and construction of prefabricated column:
the design scheme is as follows: according to the design scheme, two types of column sections are selected according to model calculation, 400x400 and 400x600 are selected as column sections, C30 is selected as column concrete, HRB400 is adopted as column main reinforcement, HPB300 is adopted as stirrup, the maximum height of the column is 5m, the elevation of the starting point at the bottom of the column is-0.02 m (adjusting and installing sleeve), the middle part is prefabricated in a factory, the on-site cast-in-place section is arranged in the joint range of the top and the beam, and after casting is finished, 165mm of column top reinforcement is exposed for reinforcement sleeve connection.
The production process comprises the following steps: the precast beam is produced by adopting a special die in a factory, and the process flow is as follows: binding and forming the steel bars, assembling the mould, installing the embedded part, pouring concrete and curing.
The installation process comprises the following steps: paying off and positioning on the floor, snapping lines, hoisting the prefabricated column into position, temporarily fixing the inclined support, precisely adjusting the verticality and elevation, and injecting high-strength grouting material into the grouting sleeve.
Example 3, preparation and construction of precast floor slabs:
the design scheme is as follows: the slab adopts a semi-prefabricated truss reinforced composite floor slab, the concrete is C30, the reinforced steel bar is HRB400, the total thickness of the composite slab is 250mm, the thickness of the composite portion is 60mm, the cast-in-situ portion is 70mm, and in order to meet the deflection calculation requirement, the middle 120mm is a ribbed filling layer.
The construction process comprises the following steps: setting out and positioning a beam top, snapping a line, installing a temporary top support and adjusting to a plate bottom elevation, arranging a slurry leakage prevention measure at a Liang Qiangding part, hoisting a superposed floor slab, rechecking and adjusting the plate bottom elevation, inserting a beam and a floor slab hogging moment steel bar, arranging a pipeline on a plate surface, and pouring superposed layer concrete. The process can eliminate the secondary beam of the floor slab, lighten the dead weight of the floor slab and save the template of the floor slab.
Example 4 preparation and construction of prefabricated stairway:
the design scheme is as follows: the thickness of the prefabricated stairway is 100mm and 150mm, the prefabricated stairway is a fully prefabricated assembled stairway, and the prefabricated stairway is divided into a prefabricated single-track stairway and a prefabricated double-track stairway according to the design purpose, and an adjustable seam of 10-20mm is properly reserved between the width of the prefabricated stairway and the width of a stairwell so as to facilitate the assembly of the stairway; the prefabricated stairway is directly anchored into the cast-in-situ layer part of the composite floor slab through the reinforcing steel bars, and is reliably connected with the main body, and the stairway and the south net An Jian ring are required to be prefabricated integrally.
The construction process comprises the following steps: paying off and positioning and springing a reference line, installing a temporary shoring and adjusting elevation, hoisting stairs to be in place, binding platform steel bars, and integrally casting the upper end and the platform.
Example 5 preparation and construction of prefabricated interior wall panels:
the design scheme is as follows: the inner partition wall adopts a hollow light partition wall and a ceramsite plate partition wall, the thickness is 200mm, and the volume weight is 80-90kg/m 2 The wall has light weight, when the pipeline is needed to be penetrated inside, the hollow partition wall is adopted, the other parts can be ceramic plate partition walls, and the inner partition wall is connected with the floor by adopting steel bars for grafting and polymerized cement mortar for connection.
The installation process comprises the following steps: paying off positioning, wallboard positioning, correcting, temporarily fixing the wallboard by using a wooden wedge, adjusting elevation and verticality floor (top of bottom), connecting two adjacent wallboards up and down, and pointing.
Example 6 preparation and construction of prefabricated exterior wall panels:
the design scheme is as follows: the sandwich heat-insulating outer wall with the thickness of 240mm is adopted by the outer wall, and is composed of an inner reinforced concrete plate layer, an outer reinforced concrete plate layer and a heat-insulating layer clamped in the middle, wherein the thickness of an outer page wall is 50mm, the thickness of a middle sandwich layer is 70mm, the thickness of an inner page wall is 150mm, the inner page wall and the outer page wall are both two-way rib plates, the concrete grade is C30, and nonmetal connecting pieces among the three layers form a whole.
The production process comprises the following steps: the prefabricated outer wall adopts a reverse-beating molding horizontal production process, and the outer surface of the outer wall is downward contacted with the template, so that the outer surface can be ensured to be flat and smooth. The process sequence is as follows: the combined die, the outer protective layer steel bar, the outer protective layer concrete, the heat preservation plate and the connecting piece are installed, the inner layer front steel bar, the inner layer wall concrete and the forming maintenance are carried out.
The installation process comprises the following steps: paying off positioning, hoisting a wallboard in place, installing an inclined support, and adjusting elevation and verticality.
Example 7 design of plate under groove:
the design scheme is as follows: the indoor cable trench is only 110kVGIS indoor cable trench, in order to achieve the combination with prefabrication, 600x200 cable trench is adopted, the prefabrication part of the prefabrication laminated slab is utilized as the bottom of the cable trench, the filling layer is reserved to serve as a cable penetrating space, the trench top is blocked by a patterned steel cover plate, and the cable trench is reserved between slab joints to meet the stress characteristic because the slab is a one-way slab and the stress is the lap joint part at two sides.
Example 8, prefabricated cable shaft:
the design scheme is as follows: the cable shaft is divided into a primary shaft and a secondary shaft, the shaft is prefabricated in sections, assembled on site, connected with the ground by dowel bars, reserved steel bars between each two joints, spliced on site and secondarily irrigated in gaps.
Example 9 node assembly of precast beams and columns:
the design scheme is as follows: the beam and column nodes are the main connecting nodes of the frame structure, floor load is transferred to the beam and Liang Zaichuan is transferred to the column through the floor, therefore, the node is a very critical node of the frame structure. The field structure of the steel bars is clear in lap joint and reasonable in stress.
The construction process comprises the following steps: the prefabricated assembly type structure adopts a cast-in-place mode at the joint of the beam and the column, the column is in place, the prefabricated frame beam is lapped at the edge of the column for about 10mm, a reserved main reinforcement in the beam goes deep into the column, the anchoring length is met, the reinforcing steel bars at the top of the beam are placed on site, the column and the column reinforcing steel bars are connected through a sleeve, and pouring is carried out after the intersection of the column and the beam reinforcing steel bars is completed.
Example 10, prefabricated column and prefabricated exterior wall panel node assembly:
the design scheme is as follows: the prefabricated outer wall is a split point at the frame column, reliable and flexible connection with the column is needed, an elastic caulking material and a fireproof blocking are added between the plates, a fireproof material and a waterproof material are filled between the plates, and finally sealing glue is used for blocking.
The construction process comprises the following steps: when the PC board is lowered in place, reserved reinforcing steel bars on the PC board are inserted into the cast-in-situ beam, then the PC board is placed in a real place, the nuclear elevation and verticality are initially adjusted, the components and the concrete structure are in inclined support and are in bolt connection, temporary fixation is carried out, the PC board is corrected, waterproof and fireproof materials are filled, concrete pouring is carried out, and sealing glue is filled.
Example 11 node assembly of precast beams and precast floor slabs:
the design scheme is as follows: the thickness of the prefabricated composite floor slab is 250mm, the prefabricated part at the bottom is 60mm, the middle is 120mm thick and filled with a cast-in-situ layer, the upper part is 70mm of the cast-in-situ plate, the prefabricated part at the bottom can play a role of a template, the prefabricated part of the plate is overlapped to the prefabricated beam section by about 10mm, floor slab erection steel bars and filling materials are arranged after the prefabricated composite floor slab is in place, the stressed steel bars at the top of the floor slab are arranged, and finally the composite part is poured together with the cast-in-situ beam part.
The construction process comprises the following steps: and installing a temporary top support and adjusting the temporary top support to the elevation of the bottom of the slab, arranging a slurry leakage prevention measure at the Liang Qiangding part, hoisting the superposed floor slab, rechecking and adjusting the elevation of the bottom of the slab, paving floor slab stand bars, filling sandwich materials, arranging pipelines, arranging hogging moment bars, penetrating into the beam, and integrally pouring the beam and the slab.
Example 12 node assembly of precast beams and precast external wall panels:
the design scheme is as follows: the outer wall is connected with the beam in two modes, one is an upper hanging type, and the other is a lower supporting type. The invention adopts an external wall panel with the thickness of 240mm and partially adopts a sandwich external wall panel. The connection of the plates and the beams adopts rigid connection, L200X 150X 12 angle steel and a high-strength bolt phi 22 are used as main force transfer construction, the angle steel is prefabricated in advance at the position of the outer wall plate 35mm away from the bottom, and the outer wall plate is fixed by the bolts after being in place. Achieving better force transmission effect.
The construction process comprises the following steps: and hoisting the external wall board, temporarily fixing, connecting the corrected board bottom with angle steel by using left and right adjustable bolts, welding the other side of the angle steel with a beam surface embedded steel plate, and connecting the board top with the beam by using angle steel and high-strength bolts.
Example 13 design of building electrical prefabricated panels 15:
the design scheme is as follows: according to the standard component purchasing technical requirement, the specification of the box body is reduced as much as possible, and the sizes of the lighting distribution box, the overhaul power supply box, the power box and the like are unified to be 600mm multiplied by 120mm except for 600mm multiplied by 1400mm (floor mounting) of the main transformer overhaul power supply box.
All the boxes are embedded and concealed, the wallboard is reserved according to the positions of the boxes, and cables are led out from the exposed wiring grooves after passing through the boxes through prefabricated holes of the wall body.
The construction process comprises the following steps:
(1) When the distribution boxes are installed in parallel, the deviation of the verticality per meter is not more than 5mm, and the joint between the cabinets is not more than 2mm.
(2) The grounding of the box body should be firm and good, and the openable door with electric appliances should be reliably connected with the grounded metal framework by yellow-green double-color stranded wires.
The equipment is selected from: the box body is made of stainless steel materials.
Embodiment 14, the substation building of the present invention further comprises a switch prefabricated panel:
the design scheme is as follows: the switch socket adopts hidden coating, holes are reserved on the required wallboard, and holes are reserved at the switch reserved holes according to the size of 4 panels in order to reduce the variety of prefabricated wallboards. The socket hole is reserved according to 2 panel sizes. And then the switch panel is installed or sealed by a dummy panel according to the actual needs.
The construction process comprises the following steps:
(1) Mortar, dust and other sundries remained in the bottom box are removed before wiring.
(2) When in wiring, the wires in the box are straightened, the left insulating layer is cut off, the wires are coiled on the wiring posts corresponding to the switch and the socket in a clockwise direction, the pressing head is screwed, and the wire core folding head is inserted into the wiring terminal and then is tightly pressed by the jackscrew.
(3) The connector penetrating into the piping wire should be arranged in the junction box, the wire end needs to be left with a margin of 150mm, the connector lap joint should be firm, and the insulating tape is wrapped uniformly and tightly.
Example 15, leakage preventing structure:
the important part of the anti-leakage treatment of the invention is the gap between the external wall boards, the gap between the external window and the external wall boards and the parapet wall.
The seam of the prefabricated external wall panel must be treated, which is also an extremely important process in the assembled building, and a waterproof system with waterproof structure, waterproof material or waterproof combination of waterproof structure and waterproof material is selected according to the seam characteristics of different parts and local weather conditions, and the components such as a balcony, a awning and the like of the outer wall are selected to set water dripping lines at the bottom of the panel. The prefabricated external wall panel is waterproof in transverse seam, the tongue-and-groove seam or the high-low seam is made, the vertical seam is waterproof by adopting materials, the caulking materials with reliable waterproof performance are adopted, the width of the panel seam is not more than 20mm, and the requirement of the maximum allowable deformation rate of the sealant is met. The weather-resistant sealant used for the outer wall board joint has good compatibility with concrete, and has the requirements of low temperature flexibility, maximum expansion deformation, shearing deformation, mildew resistance and water resistance.
Besides the waterproof requirement same as that of a common building, the waterproof requirement of the prefabricated concrete exterior wall cladding is increased. The exterior wall cladding has good waterproof performance, and the weak link is the treatment of the joint of the door and window and the joint of the exterior wall panel. According to the specification, the building with the size of less than 50m can adopt a method of combining waterproofing and structural waterproofing. The invention adopts two waterproof methods for the plate seam of the building hanging plate. The sealant used for the exterior wall cladding board seam adopts import weather-resistant sealant. The compatibility of the sealant and the concrete, the low-temperature flexibility, the maximum expansion deformation, the shearing deformation, the mildew resistance and the water resistance all meet the design requirements.
The outer door and window frame of the case is hung on the factory and the outer wall for one-time casting molding, so that the hidden danger of water seepage is radically eliminated by the joint of the door and the window.
The outer protective structure of the prefabricated building should confirm the personal measure of heat preservation according to the thermal engineering design requirement of the building envelope, this design scheme is taking into account the green energy-conserving requirement, use the prefabricated sandwich outer wall with new energy of heat preservation and insulation in the room outer wall of the room that the air conditioner of 10kV high-pressure room, relay and communication room, battery room arrangement, except that the periphery of the door and window opening allows there is the concrete rib that link up, all adopt the continuous heat-insulating layer all, the inner and outer leaf wall is connecting the piece to choose the quite corrosion-resistant material, and need to consider the cold and hot bridge produced by the connecting piece to the influence of the heat transfer coefficient of the composite external wall board, therefore the invention needs to use the nonmetallic new material as the inner and outer leaf wall to connect.
The sandwich thermal insulation material of the sandwich plate adopted by the invention is extruded polystyrene board (XPS) with the compression strength of 150-250 kPa. The thickness of the heat preservation layer is 80mm. Through the preliminary test of the plate, the heat transfer resistance value is 2.91 (m 2 K/w), calculated, heat transfer coefficient 0.34 (w/m 2 Taking 110kV transformer substations in Shenzhen area as an example, checking the special meteorological data set for Chinese building thermal environment analysis, wherein the outdoor average temperature is 31 ℃, the air conditioning room related by the design of the invention is a 10kV high-voltage room, a relay, a communication room and a storage battery room, and the indoor control temperature is 25.5 ℃ according to daily operation habit, and the total energy consumption is 1300 kW.h/year through calculation. Heat transfer coefficient of common reinforced concrete outer wall 2.1w/m 2 And k, calculated to consume 8033 kW.h/year. Compared with the common external wall panel, the sandwich external wall panel adopted by the invention has the advantage that the energy consumption is 6732 kW.h/year.
The connection of the steel bars at the joints of the assembled structure can adopt grouting connection, indirect lap connection, mechanical connection or welding and the like of the steel bar sleeves. In the cast-in-place concrete specification, the area percentage of the lap joint of the steel bars in the same connecting section is not more than 50 percent for the column, and as the grouting sleeve joint is an I-level joint in the technical rule of steel bar connection (JGJ 107-2010), the joint rate of the same section is not limited, thereby providing convenience for the longitudinal steel bar connection of vertical prefabricated components such as prefabricated columns, shear walls and the like.
The steel bar sleeve grouting connecting joint technology is a main steel bar joint connecting technology recommended in technical regulations of assembled concrete structures (JGJ 1-2014), is also a foundation for guaranteeing the integrity of various assembled integral concrete structures, and is formally implemented in 10 months and 1 day of 2014.
The sleeve grouting process comprises the following steps: after the prefabricated column is installed, high-strength grouting material is injected from the grouting hole of the sleeve by a certain pressure, and when the upper non-exhaust hole overflows from the grouting material, the grouting hole and the exhaust hole are plugged by a sealing material, so that grouting operation is completed.
According to the specification of the technical regulations of assembled concrete structures (JGJ 1-2014), a grouting joint manufactured by a grouting sleeve and a high-strength grouting material is required to be subjected to pattern inspection, and grouting construction operation is required to be operated by trained special personnel.
In order to reduce indoor temperature, in the prior art, the transformer substations in the south area generally adopt ventilation measures to remove heat, but equipment faults are easy to occur due to high humidity, main equipment rooms in some transformer substations are cooled and dehumidified by adopting a method of installing an air conditioner, but because the outer wall surface is less adopting heat preservation and insulation materials, the outer wall can transfer outdoor heat into the room, so that the load of the air conditioner is increased, and the energy conservation is extremely unfavorable.
In order to reduce the energy consumption of air conditioner operation, the proposal learns the advanced method abroad, adopts the sandwich heat-insulating outer wall measures to block the heat transfer between the inside and the outside of the building, improves the heat-insulating performance of the wall body, reduces the energy consumption of the building, reduces the load of the air conditioner, reduces the investment of air conditioner equipment, can lighten the dead weight of the wallboard and improves the fire resistance of the wall body, and the technology has 30 years of application history abroad and is very mature.
The protocol specification specifies: the heat-insulating material in the sandwich layer of the sandwich external wall panel is preferably light and efficient heat-insulating materials such as extruded polystyrene board (XPS), rigid foam Polyurethane (PUR) and the like. The heat-insulating material should meet the regulations of the national current relevant standards. The sandwich outer wall and the inner and outer leaf wall adopt nonmetallic piece products with low heat conductivity coefficient. And avoid forming a cold bridge.
The outer wall adopts bare concrete or bare decorative concrete, plastering and a decorative layer are canceled, and the LOGO of the building adopts a concrete integrated forming technology. The common external wall plastering and decorating materials not only can increase the manufacturing cost, but also have the falling risk, the design is to adopt the surface of bare concrete, or make the decorating concrete by utilizing the plasticity of the concrete, the natural property of the concrete is fully represented, the project industrial characteristics are met, the tourists are saved in materials, and the damage to the environment is reduced.
The building LOGO of the wall top is to be manufactured by adopting a concrete modeling mold silica gel, or the manufactured lamp box is embedded and embedded integrally during the production of a concrete member, so that the future repair and maintenance work can be reduced.
When the bare concrete is manufactured, the mould is required to be clean and tidy, a special high-quality release agent is adopted, the finished product protection is realized after the component is molded, and only a layer of protective agent is required to be sprayed on the surface after the installation is finished.
The manufacturing principle of the clear water decorative concrete member is as follows: and (3) coating a film on the manufactured decorative surface by using silica gel, turning over the formed silica gel, placing the formed silica gel at the bottom of a mould, pouring concrete, and forming the formed concrete, wherein the surface of the component presents the same patterns as the decorative surface, and the process adopts a silica gel mould construction process.
The horizontal joint and the vertical joint of the assembled outer wall are waterproof by weather-proof sealant, the assembled outer wall can generate relative displacement with a main body structure under the wind load, the temperature effect and the earthquake effect, if the weather-proof sealant is insufficient in elasticity and weather resistance, water leakage of the outer wall of a building can be caused, in order to ensure the waterproof and sound insulation performance of the outer wall, the PC-MS single-component weather-proof sealant is adopted in the scheme, and the PC-MS single-component weather-proof sealant is special for concrete prefabricated components and can effectively reduce the later maintenance cost.
The material requirements are as follows: single-component, neutral and 8 hours curing at room temperature-easy construction operation.
High strength, good elasticity, strong binding power, good compatibility, aging resistance and difficult cracking.
The paint has no silicone oil exudation, no chemical release, and compatibility with common paint and coating, and no pollution to the concrete surface. The sealing waterproof device is suitable for sealing gaps of concrete members, stones and metal materials.
As shown in fig. 2, fig. 2 is a schematic diagram of distribution of each layer of a substation building according to the present invention; the first layer is a main transformer room and a GIS room 500, the second layer is a cable layer 400, the third layer is a high voltage room and a main control room 300, the fourth layer is a capacitor battery mounting layer 200, and the top layer is a roof 100.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (3)
1. The utility model provides a by prefabricated component concatenation's transformer substation building, this transformer substation building includes ground and prefabricated component, and the ground is the field operation, and prefabricated component is produced by mill's batch, its characterized in that, prefabricated component includes:
the precast beam (1), precast beam (1) includes main muscle (103), stirrup (102), pouring beam (101), built-in fitting, main muscle (103) is tied up through stirrup (102), and tie up the horizontal lower part concrete pouring of muscle after tying up, forms the upper portion and is the banding muscle of the part that exposes, the lower part is pouring beam (101), be equipped with the built-in fitting in pouring beam (101), tie up the muscle and reserve one section non-pouring district and be used for connecting other precast components, precast beam (1) side is equipped with overlap joint portion, and it is with the junction pre-buried steel sheet of prefabricated side fascia (5) for with the angle steel welding;
the precast column (6), the precast column (6) comprises precast column binding ribs (603), a casting column (601), a grouting sleeve (602) and an embedded part, the casting column (601) is concrete casting, the precast column binding ribs (603) and the embedded part are arranged in the casting column, a part of the exposed length of the precast column binding ribs (603) is used for connecting other precast components, and the grouting sleeve (602) is sleeved on the exposed precast column binding ribs (603);
the prefabricated floor slab (2) is a half-prefabricated truss reinforced composite floor slab, the prefabricated floor slab (2) is provided with three layers, the uppermost layer is a cast-in-situ layer (201), the middle layer is a ribbed filling layer (202), the lowermost layer is a prefabricated plate (203), and the prefabricated floor slab (2) is provided with a lap joint part for lap joint with the prefabricated beam (1);
the prefabricated stairway (3) is provided with a multi-stage step, the multi-stage step is formed by integrally casting, mounting holes (301) are formed in the first-stage step and the second-stage step at the upper end of the multi-stage step, the second-stage step and the negative second-stage step at the bottom end of the multi-stage step, and the prefabricated stairway (3) is connected with the cast-in-situ layer (201) of the prefabricated floor slab (2) through a steel bar direct anchor;
the prefabricated inner wallboard (4) comprises a hollow light partition wall and a ceramsite board partition wall, wherein the hollow light partition wall is used when a pipeline is needed to be penetrated inside, the ceramsite board partition wall is used in other places, the prefabricated inner wallboard (4) is connected with a prefabricated floor slab (2) by adopting steel bars for grafting, and a polymerized cement mortar joint is used after grafting; the hollow light partition wall is provided with a plurality of threading holes (401), and two side surfaces of the hollow light partition wall are provided with positioning grooves (402);
the prefabricated external wall panel (5), wherein the prefabricated external wall panel (5) comprises an upper reinforced concrete layer, a lower reinforced concrete layer and a heat preservation layer (8) which is clamped between the upper reinforced concrete layer and the lower reinforced concrete layer, and the inner page wall and the outer page wall of the prefabricated external wall panel (5) are both two-way rib plates;
the prefabricated cable shaft (17) is connected in a sectional mode, and assembled on site, one end of the prefabricated cable shaft (17) is provided with a splicing hole, the other end of the prefabricated cable shaft is provided with a reserved reinforcing steel bar inserting part, the ground on site is provided with a splicing rib firstly, and then the prefabricated cable shafts are connected together in a splicing mode, and a middle gap is formed by secondary concrete pouring;
the prefabricated components are all provided with connecting structures, each prefabricated component is spliced through a house design structure, the prefabricated columns (6) are spliced through reserved reinforcing steel bars of a foundation, the prefabricated columns (6) and the prefabricated beams (1) are mutually crossed through reserved binding steel bars and are connected through steel bar binding, the prefabricated plates (203) of the prefabricated floor slabs (2) are lapped to the lap joint parts of the prefabricated beams (1), floor slab erecting reinforcing steel bars and filling ribbed filling layers (202) are arranged after the prefabricated plates are in place, top stressed reinforcing steel bars are arranged, and finally the prefabricated beams and the prefabricated beams (1) are cast-in-situ to form cast-in-place layers (201) of the prefabricated floor slabs (2); the prefabricated external wall panel (5) is in downward-supporting rigid connection with the prefabricated beam (1), angle steel (508) is arranged at the upper and lower connection parts of the prefabricated external wall panel (5) and the prefabricated beam (1), a vertical plate of the angle steel (508) is connected with the prefabricated external wall panel (5) through a high-strength bolt (506), a transverse plate of the angle steel is connected with the prefabricated beam (1) through an anchor bar (507), and the angle steel (508) is welded with a pre-buried steel plate of the prefabricated beam (1);
the prefabricated slab (203) of the prefabricated floor slab (2) is provided with a slab lower ditch, the slab lower ditch uses a prefabricated part of the superimposed sheet as a cable ditch bottom, a filling layer is reserved to be used as a cable penetrating space, and the ditch top is blocked by a patterned steel cover plate;
prefabricated side fascia (5) are connected with prefabricated post (6), and the seam crossing of two prefabricated side fascia (5) is filled in proper order from interior to exterior has fire-resistant joint material (12), foaming chloroprene rubber airtight strip (11), foaming polyethylene stick (10), building sealant (9), prefabricated side fascia (5) are filled with fire prevention shutoff (14) with prefabricated post (6) junction, fire prevention shutoff (14) both sides are filled with elasticity caulking material (13), prefabricated side fascia (5) outermost is the decorative surface.
2. A substation building spliced by prefabricated elements according to claim 1, characterized in that: the prefabricated component still includes building electric prefabricated plate (15), building electric prefabricated plate (15) is vertical to be equipped with a plurality of prefabricated holes (151), and its side direction is equipped with prefabricated hole (151), the surface of building electric prefabricated plate (15) is equipped with pre-installation groove (152), mounting groove (152) are embedded, and box installation back and plate body are mutually corresponding, and mounting groove (152) are used for embedded electric box including illumination block terminal, maintenance power supply box, headstock at least.
3. A substation building spliced by prefabricated elements according to claim 1, characterized in that: the transformer substation building is provided with an anti-seepage structure, balcony and awning prefabricated components of the prefabricated external wall panels (5) are picked out, water dripping lines are arranged at the bottoms of the boards, transverse seams of the prefabricated external wall panels (5) are waterproof in structure, tongue-and-groove seams or high-low seams are made, the vertical seams are filled with caulking materials with reliable waterproof performance, and the prefabricated external wall panel seams are filled with weather-resistant sealant with good compatibility with concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710611898.XA CN107227870B (en) | 2017-07-25 | 2017-07-25 | Substation building spliced by prefabricated parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710611898.XA CN107227870B (en) | 2017-07-25 | 2017-07-25 | Substation building spliced by prefabricated parts |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107227870A CN107227870A (en) | 2017-10-03 |
CN107227870B true CN107227870B (en) | 2024-01-09 |
Family
ID=59956096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710611898.XA Active CN107227870B (en) | 2017-07-25 | 2017-07-25 | Substation building spliced by prefabricated parts |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107227870B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108457504A (en) * | 2018-03-27 | 2018-08-28 | 湘能楚天电力有限公司 | A kind of building method of BIM assembly integrated intelligents substation |
CN108447335B (en) * | 2018-05-02 | 2020-01-21 | 徐州工业职业技术学院 | AR real-scene simulation practical training teaching system for fabricated building |
CN109296230B (en) * | 2018-11-09 | 2023-08-25 | 尤利卡(江苏)集成电气有限公司 | Assembled transformer substation complete machine structure |
CN109403458A (en) * | 2018-12-18 | 2019-03-01 | 有利华建材(惠州)有限公司 | Novel pre-fabricated one |
CN110541589A (en) * | 2019-09-26 | 2019-12-06 | 深圳市前海用电物联网科技有限公司 | Assembled power distribution station |
CN112942561A (en) * | 2021-02-03 | 2021-06-11 | 中核(江苏)绿色建筑产业发展有限公司 | Multi-storey building structure adopting prefabricated panels and building method thereof |
CN115288284B (en) * | 2022-09-24 | 2024-08-06 | 宋佳 | New energy source power generation and supply building system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1058121A (en) * | 1952-06-03 | 1954-03-15 | Merlin Gerin | Method for constructing outdoor electrical substations and elements for carrying out said method |
BE1019464A3 (en) * | 2010-08-31 | 2012-07-03 | Alpha Beton Sprl | PREFABRICATED ELEMENT HIGHLY ISOLATED. |
CN204886075U (en) * | 2015-08-27 | 2015-12-16 | 国网天津市电力公司 | Prefabricated formula cable shaft |
CN106149873B (en) * | 2016-08-18 | 2019-06-11 | 佛山电力设计院有限公司 | Prefabricated assembled concrete frame construction and preparation method thereof |
CN207063610U (en) * | 2017-07-25 | 2018-03-02 | 深圳供电局有限公司 | Transformer substation building spliced by prefabricated parts |
-
2017
- 2017-07-25 CN CN201710611898.XA patent/CN107227870B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN107227870A (en) | 2017-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107227870B (en) | Substation building spliced by prefabricated parts | |
US10808396B2 (en) | Building based on large-space structure and freestanding external envelope as well as construction method | |
CN108678258B (en) | Large-span hemispherical reinforced concrete dome structure and construction method thereof | |
US4320606A (en) | Reinforced concrete panels and building constructed therewith | |
CN104563288A (en) | Reinforced concrete frame gridding slab prefabricated energy-saving house | |
CN105696817A (en) | Multilayer cold-formed steel integrally prefabricated house and splicing method thereof | |
CN106436893A (en) | Fully-prefabricated structure and construction method thereof | |
WO2012069016A1 (en) | Prefabricated thermal insulating composite panel, assembly thereof, moulded panel and concrete slab comprising same, method and mould profile for prefabricating same | |
CN105672562B (en) | Steam-pressing aero-concrete integral heat insulation wallboard and its production technology | |
CN203174810U (en) | Bearing-and-leaning type installed assembly wall body | |
CN114033219A (en) | Concrete box type building module, modular building and construction method thereof | |
CN103711238A (en) | Assembly-type concrete shear wall structure system buckled and anchored through ring ribs | |
CN108978989B (en) | Assembled self preservation temperature fire prevention sound insulation wallboard | |
CN111927248B (en) | Integrally prefabricated externally hung bay window, connecting node and manufacturing method | |
CN104631650B (en) | Screen plate outer wall with heat insulation layer and construction method | |
CN109267695B (en) | Light assembled prefabricated wallboard with connecting structure and installation method thereof | |
CN206189685U (en) | Integrated floor of modularization and house | |
CN207063610U (en) | Transformer substation building spliced by prefabricated parts | |
CN206625450U (en) | A kind of novel and multifunctional environmentally friendly combined wall board | |
CN203412312U (en) | Thermal-insulating integrated template wallboard construction building | |
CN210263608U (en) | Light assembled panel with connection structure | |
CN209686449U (en) | A kind of prefabricated assembled pipe gallery of sheet hydrant and its piping lane unit | |
CN209686448U (en) | A kind of prefabricated assembled pipe gallery of sheet hydrant and its piping lane unit | |
CN106854913A (en) | A kind of Multifunction environmental protection combined wall board | |
CN203270775U (en) | House assembled by light steel composite construction modules |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |