CN115476425A - Square PC well chamber prefabricated template and construction assembling and disassembling method - Google Patents
Square PC well chamber prefabricated template and construction assembling and disassembling method Download PDFInfo
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- CN115476425A CN115476425A CN202211241994.7A CN202211241994A CN115476425A CN 115476425 A CN115476425 A CN 115476425A CN 202211241994 A CN202211241994 A CN 202211241994A CN 115476425 A CN115476425 A CN 115476425A
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000002344 surface layer Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 239000012634 fragment Substances 0.000 abstract 3
- 208000010543 22q11.2 deletion syndrome Diseases 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/168—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes for holders or similar hollow articles, e.g. vaults, sewer pits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/26—Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
A prefabricated template of a square PC well chamber and a construction assembling and disassembling method aim to optimize a template splicing technology, so that the square PC well chamber template can be deformed and can be rotated in the production of square PC well templates with different sizes; the template is an assembly body formed by combining angle keels, straight section keels, battens, external angle plates, clamping strips, base plates, surface layers, inclined struts and the like, so that the template can be deformed. Through each assembly body component of standardized design, like interior angle fossil fragments, exterior angle fossil fragments, the straight section fossil fragments of standard length, slat, positive scute, card strip, backing plate, surface course and bracing, make template material can maximize the circulation in the square PC well production process of equidimension not, reduce the manufacturing cost of square PC well product, maximize performance steel form material intensity is high, advantage stand wear and tear. Meanwhile, the manufacturing period and difficulty of the square PC well template are reduced, and the square PC well templates with different sizes only need to be manufactured with a keel with a small section of nonstandard length.
Description
Technical Field
The invention belongs to the field of municipal road engineering, and relates to a prefabricated template of a PC well chamber and a construction technology.
Background
Assembled PC well room, brick step and cast-in-place well room that adopt among the traditional municipal drainage pipe network of comparison, low to the production efficiency of traditional construction, the energy consumption is high, the difficult scheduling problem of quality safety control, it is fast to have solved the construction speed, green, well body strength is high, the durability is good, and well body later maintenance cost problem has effectively been solved, to in collapsible loess area, ground water level is higher, hydrology geological conditions is poor and all have good engineering adaptability under the conditions such as big pipe diameter piping erection interface processing difficulty.
The prefabricated template of current square assembled PC well is mostly the steel form, adopts the whole welding of steel. Compared with the traditional template, the steel template has the advantages of high template strength, good finished product quality and the like, but the existing square PC well prefabricated template is specially manufactured according to the size of the PC well and cannot be circulated in the production process of the PC wells with different sizes, so that the effective utilization rate of the steel template material is lower, the production cost of the assembly type PC well chamber is increased, and the production and application of the assembly type PC well chamber are limited.
Disclosure of Invention
The invention aims to optimize the template splicing technology, so that the square PC well chamber template can be deformed and can be rotated in the production of square PC well templates with different sizes.
The invention relates to a prefabricated template of a square PC well room, a construction assembly method and a dismantling method thereof, wherein the prefabricated template of the square PC well room comprises an inner die I, an outer die II, an inclined strut support III, an inclined strut IV and a fastener V, wherein the inner die I is formed by combining a U-shaped inner angle keel 1, an H-shaped inner angle keel 2, a U-shaped standard length straight section keel 5, an H-shaped standard length straight section keel 6, an inner die U-shaped nonstandard length straight section keel 7, an inner die H-shaped nonstandard length straight section keel 8, a ribbon board 11, an external corner board A12, an external corner board B13, a clamping strip 14, a backing plate 15, a rubber sheet 16 and a bolt 23; the outer die II is formed by combining a U-shaped outer corner keel 3, an H-shaped outer corner keel 4, a U-shaped standard length straight section keel 5, an H-shaped standard length straight section keel 6, an outer die U-shaped nonstandard length straight section keel 9, an outer die H-shaped nonstandard length straight section keel 10, a batten 11, a clamping strip 14, a rubber sheet 16 and a bolt 23; the inclined strut support III is formed by combining a support guide rail 17 and a support 18; the inclined strut IV is formed by combining a threaded sleeve 19 and a threaded ejector rod 20; the fastener V is formed by combining two clasps 21 and a lock catch 22.
The construction assembling and dismantling method of the square PC well chamber prefabricated template comprises the following steps:
step (1), customizing a straight section keel with a nonstandard length: firstly, simulating the installation process of a square PC well prefabricated template in three-dimensional modeling software to obtain the length of a keel of a nonstandard length straight section to be customized and the number and arrangement positions of keel limiting holes; after the simulation installation is successful, customizing keels according to the manufacturing parameters of the straight keels with nonstandard lengths;
step (2), installing a diagonal bracing support III at a position of a reserved bolt hole on the ground, sticking a red adhesive tape on the ground to be used as an inner and outer die installation positioning line, and confirming that the field of an operation field is neat and safe;
step (3) preparing an inner die I for assembling and fixing: firstly, fixing 4 inclined struts IV on an inner mold inclined strut support III through bolts; secondly, mounting an external corner plate A12 and an external corner plate B13 on the internal corner keels, after the external corner plates are mounted, combining the internal corner keels of each layer into a whole, then arranging the combined internal corner keels at a specified position, sequentially splicing straight section keels of the internal mold I, connecting the section internal mold keels into a whole by using bolts 23, basically finishing mounting the main body of the internal mold I, then aligning the position of the main body of the internal mold I, mounting fasteners on the keels of the internal mold I, extending the end part of a threaded ejector rod 20 into an ear hole of a lock catch 22, and then sequentially assembling the battens 11; after all the battens 11 are installed, arranging the clamping strips 14 until the inner mold I is basically installed, finally paving the rubber sheets 16, and coating a release agent on the surface layer;
step (4), preparing an outer mold II for assembling and fixing: after the reinforcement cage is placed in place, the external mold II is assembled and fixed; the assembling sequence of the external mold II is slightly different from that of the internal mold I; the outer die II is firstly provided with a strip plate 11 on each corner keel, and is paved with rubber sheets 15 and smeared with a release agent to form an outer die corner template; then connecting straight section keels with standard lengths and non-standard lengths by using bolts 23, installing the strip plates 11, then paving rubber sheets 16 and coating a release agent to form an external mold straight template; finally, placing the outer mold corner templates and the straight templates at the designated positions and connecting the outer mold corner templates and the straight templates into a whole by using bolts 23, so that the outer mold is installed; then aligning the main body position of the outer mold II, installing a fastener and an inclined strut IV on a keel of the outer mold II, connecting the end part of a threaded sleeve 19 with an inclined strut IV support 18, and connecting the end part of a threaded mandril 20 with an ear hole of a lock catch 22; the inclined strut IV can enhance the bearing capacity of the template and is also used for positioning the template, so that the inner mold I and the outer mold II are prevented from being displaced due to construction disturbance;
step (5), preparing and removing an external mold II: firstly, removing bolts at the hinged point of an external mold II diagonal brace IV threaded sleeve 19 and an external mold II diagonal brace IV support 18, removing an external mold II diagonal brace IV and removing an external mold II fastener; secondly, the bolts 23 at the splicing positions of keels of the outer mold II are removed, and the outer mold II template can be removed in a slicing mode; the outer mold II is completely disassembled;
step (6), preparing to dismantle the inner mold I: firstly, removing a bolt 23 at a hinged point of an inner die I inclined strut IV threaded sleeve 19 and an inner die I inclined strut IV support 18, removing an inner die I inclined strut IV, and removing an inner die I fastener; secondly, integrally moving the internal mold I out or removing bolts 23 at the keel positions of all the sections by using hoisting equipment, and removing the internal mold I section by section; until the template is completely removed;
step (7) preparing to remove the rubber sheet 16: firstly, a hot air blower is used for heating the rubber sheet 16, and the glue melts at the moment, so that the rubber sheet is easy to separate from the ribbon board 11; and then cleaning the rubber sheet 16 and the ribbon board 11 by using an organic solvent such as alcohol, removing glue residues on the rubber sheet 16 and the ribbon board 11, and keeping the rubber sheet 16 and the ribbon board 11 clean for the next use.
The invention has the advantages of reasonable structure, convenient and flexible disassembly and assembly, the template can be changed along with the change of the size of the square PC well, most of template materials can be circulated in the production process of different square PC wells, the condition that the traditional square PC well prefabricated template can not be deformed and recycled is broken through, the production cost of the square PC well chamber can be reduced, and the concepts of low carbon and environmental protection can be better practiced. Therefore, the device has important significance to the popularization of the assembly type technology in municipal road engineering.
Drawings
Fig. 1 is a schematic view of an overall structure of the present invention, fig. 2 is a top view of the overall structure of the present invention, fig. 3 is a schematic view of an assembly of an inner angle keel, fig. 4 is a schematic view of an installation of an inner mold, fig. 5 is a schematic view of an installation of an outer mold, fig. 6 is a schematic view of a U-shaped keel, fig. 7 is a schematic view of an H-shaped keel, fig. 8 is a schematic view of a clip strip, fig. 9 is a schematic view of an outer corner plate, fig. 10 is a schematic view of an inclined strut, reference numerals and corresponding names are as follows: i-inner mold, II-outer mold, III-diagonal support seat, IV-diagonal support and V-fastener; the keel structure comprises 1-U-shaped inner angle keels, 2-H-shaped inner angle keels, 3-U-shaped outer angle keels, 4-H-shaped outer angle keels, 5-U-shaped standard length straight section keels, 6-H-shaped standard length straight section keels, 7-inner mold U-shaped nonstandard length straight section keels, 8-inner mold H-shaped nonstandard length straight section keels, 9-outer mold U-shaped nonstandard length straight section keels, 10-outer mold H-shaped nonstandard length straight section keels, 11-ribbon boards, 12-outer angle boards A, 13-outer angle boards B, 14-clamping strips, 15-backing plates, 16-rubber sheets, 17-support guide rails, 18-supports, 19-thread sleeves, 20-thread ejector rods, 21-clasps, 22-clasps and 23-bolts.
Detailed Description
The invention forms the surface of the template by assembling a plurality of laths and bears the load of concrete slurry transmitted by the surface layer. The invention uses rubber sheet as surface layer to eliminate the influence of strip plate joint, and makes the surface of PC well product smooth. The invention can finish the deformation among the formworks of different sizes only by replacing the straight section keel with the nonstandard length. The invention fixes the mould plate position through the inclined strut without arranging the opposite pulling screw through the perforation. All side templates are symmetrical along the center of a PC well shape, and the non-standard-length straight section keels of all the side templates are symmetrically arranged along the standard-length straight section keels.
As shown in fig. 1 to 10, the invention relates to a prefabricated template of a square PC well chamber, a construction assembly method and a dismantling method thereof, wherein the prefabricated template of the square PC well chamber comprises an inner die I, an outer die II, an inclined strut support III, an inclined strut IV and a fastener V, wherein the inner die I is formed by combining a U-shaped inner angle keel 1, an H-shaped inner angle keel 2, a U-shaped standard length straight section keel 5, an H-shaped standard length straight section keel 6, an inner die U-shaped nonstandard length straight section keel 7, an inner die H-shaped nonstandard length straight section keel 8, a batten 11, an outer corner plate A12, an outer corner plate B13, a clamping strip 14, a base plate 15, a rubber sheet 16 and a bolt 23; the outer die II is formed by combining a U-shaped outer corner keel 3, an H-shaped outer corner keel 4, a U-shaped standard length straight section keel 5, an H-shaped standard length straight section keel 6, an outer die U-shaped nonstandard length straight section keel 9, an outer die H-shaped nonstandard length straight section keel 10, a batten 11, a clamping strip 14, a rubber sheet 16 and a bolt 23; the inclined strut support III is formed by combining a support guide rail 17 and a support 18; the inclined strut IV is formed by combining a threaded sleeve 19 and a threaded mandril 20; the fastener V is formed by combining two clasps 21 and a lock catch 22.
The keel has two cross section types; one is a U-shaped cross section, which is respectively arranged at the upper end part and the lower end part of the combined template, and comprises a U-shaped inner angle keel 1, a U-shaped outer angle keel 3, a U-shaped standard length straight section keel 5, an inner die U-shaped nonstandard length straight section keel 7 and an outer die U-shaped nonstandard length straight section keel 9; one is H-shaped cross section and is arranged in the middle of a combined template, and the H-shaped inner angle keel 2, the H-shaped outer angle keel 4, the H-shaped standard length straight section keel 6, the inner mold H-shaped nonstandard length straight section keel 8 and the outer mold H-shaped nonstandard length straight section keel 10 are arranged in the combined template.
In the square PC well chamber prefabricated template, the keels with the two cross sections have two plane shapes, namely a straight section and a right-angle section, and the right-angle section is divided into an inner-angle keel and an outer-angle keel; the inner corner keel is arranged at the corner of the inner die, and the outer corner keel is arranged at the corner of the outer die; the straight section is divided into a straight section with standard length and a straight section with non-standard length; the length of the standard length straight section is 1m, the standard length straight section is arranged in the midspan part of the inner die and the outer die, the nonstandard section is arranged between the right-angle section keel and the standard length straight section, and the length of the nonstandard section is required to be set according to the size of a specific inspection well; limiting holes are formed in the flange of the keel and used for fixing the battens 11 and arranging the battens 11 into the template panel in sequence; the keel is in a segmented state before use, and the segments are connected into a whole by bolts 22 when in use.
In the square PC well chamber prefabricated template, the inner mold U-shaped nonstandard length straight section keel 7, the inner mold H-shaped nonstandard length straight section keel 8, the outer mold U-shaped nonstandard length straight section keel 9 and the outer mold H-shaped nonstandard length straight section keel 10 are all nonstandard components, and the manufacturing length of the square PC well chamber prefabricated template is determined according to the size of the square PC well; the main section of the ribbon board 11 is a T-shaped section, the length is 1m standard length, and other length sections smaller than 1m can be produced according to actual needs; the flange direction is a panel, and a rib plate is vertical to the flange direction; the upper, middle and lower parts of the rib plate are all protruded backwards, penetrate through the limiting hole of the keel and penetrate out of the limiting hole on the other side of the keel, and the end parts of the protruding parts are all provided with clamping grooves for placing the clamping strips 14.
In the square PC well chamber prefabricated template, the external corner plates have two specifications, namely the external corner plate A12 and the external corner plate B13, but the main sections are both F-shaped sections, and only the flange lengths are slightly different; the external corner plates of two specifications are respectively positioned on two sides of the I corner external corner of the inner mold, the plate surfaces of the external corner plates are flush with the batten 11, the external corner plates act on the batten 11, and the main reason for installing the external corner plates is that the batten 11 cannot be installed at the I external corner of the inner mold.
In the square PC well chamber prefabricated template, the clamping strip 14 is a rectangular section and is used for limiting the sliding of the batten in the limiting hole; the backing plate 15 is a rectangular steel plate and is used for fixing an external angle plate on the internal angle keel, the lower end of the backing plate 15 extends into a clamping groove of the external angle plate, and a mounting bolt 23 on the surface of the backing plate 15 is fixed with a keel flange; the rubber sheet 16 is used as a template surface layer and is adhered to the panel of the batten 11; the inclined strut support III comprises a support guide rail 17 and a support 18; the support guide rail 17 is fixed on the ground through a bolt 23, the support 18 is fixed on the support guide rail 17 through a bottom structure, and the two form a sliding support; the side wall of the support 18 is provided with a reserved bolt hole for fixing the end part of the threaded sleeve 19.
In the square PC well chamber prefabricated template, the inclined strut IV comprises a threaded sleeve 19 and a threaded ejector rod 20; the threaded ejector rod 20 is arranged in the threaded sleeve 19, and the threaded ejector rod 20 can do jacking movement by rotating the threaded sleeve 19, so that the length of the inclined strut IV can be conveniently adjusted; the end part of the threaded sleeve 19 is connected with the inclined strut support III through a bolt 23 to form a hinged support; the rod end of the threaded mandril 20 extends into the ear hole of the lock catch 22 to support the keel.
In the square PC well chamber prefabricated template, the ends of the grapplers 21 symmetrically grab the upper and lower flanges outside the keel, and the lock catches 22 slide into the tails of the two grapplers 21 to lock the two grapplers 21; while the ear holes of the latch 22 are used for structural attachment to the end of the threaded stem 20.
The invention relates to a construction assembly and a dismantling method of a square PC well chamber prefabricated template, which comprises the following steps:
step (1), customizing a straight section keel with a nonstandard length: firstly, simulating the installation process of a square PC well prefabricated template in three-dimensional modeling software to obtain the length of a keel of a nonstandard length straight section to be customized and the number and arrangement positions of keel limiting holes; after the simulation installation is successful, customizing keels according to the manufacturing parameters of the straight keels with nonstandard lengths;
step (2), installing a diagonal bracing support III at a position of a reserved bolt hole on the ground, sticking a red adhesive tape on the ground to be used as an inner and outer die installation positioning line, and confirming that the field of an operation field is neat and safe;
step (3) preparing an inner die I for assembling and fixing: firstly, fixing 4 inclined struts IV on an inner die inclined strut support III through bolts; secondly, mounting an external corner plate A12 and an external corner plate B13 on the internal corner keels, after the external corner plates are mounted, combining the internal corner keels of each layer into a whole, then arranging the combined internal corner keels at a specified position, sequentially splicing straight section keels of the internal mold I, connecting the section internal mold keels into a whole by using bolts 23, basically finishing mounting the main body of the internal mold I, then aligning the position of the main body of the internal mold I, mounting fasteners on the keels of the internal mold I, extending the end part of a threaded ejector rod 20 into an ear hole of a lock catch 22, and then sequentially assembling the battens 11; after all the battens 11 are installed, arranging the clamping strips 14 until the inner mold I is basically installed, finally paving the rubber sheets 16, and coating a release agent on the surface layer;
step (4), preparing an outer mold II for assembling and fixing: after the reinforcement cage is placed in place, the external mold II is assembled and fixed; the assembling sequence of the external mold II is slightly different from that of the internal mold I; the outer die II is firstly provided with the strip plates 11 on the corner keels, and is paved with the rubber sheets 15 and coated with the release agent to form an outer die corner template; then connecting straight section keels with standard lengths and non-standard lengths by using bolts 23, installing the strip plates 11, then paving rubber sheets 16 and coating a release agent to form an external mold straight template; finally, placing the outer mold corner templates and the straight templates at the designated positions and connecting the outer mold corner templates and the straight templates into a whole by using bolts 23, so that the outer mold is installed; then aligning the main body position of the outer mold II, installing a fastener and an inclined strut IV on a keel of the outer mold II, connecting the end part of a threaded sleeve 19 with an inclined strut IV support 18, and connecting the end part of a threaded mandril 20 with an ear hole of a lock catch 22; the inclined strut IV can enhance the bearing capacity of the template and is also used for positioning the template, so that the inner mold I and the outer mold II are prevented from being displaced due to construction disturbance;
step (5), preparing and removing an external mold II: firstly, removing bolts at the hinged point of an external mold II diagonal brace IV threaded sleeve 19 and an external mold II diagonal brace IV support 18, removing an external mold II diagonal brace IV and removing an external mold II fastener; secondly, the bolts 23 at the splicing positions of the keels of the outer die II are removed, and the die plate of the outer die II can be removed in a slicing mode; the outer mold II is completely disassembled;
step (6), preparing to dismantle the inner mold I: firstly, removing a bolt 23 at a hinged point of an inner mold I inclined strut IV threaded sleeve 19 and an inner mold I inclined strut IV support 18, removing an inner mold I inclined strut IV, and removing an inner mold I fastener; secondly, integrally moving the inner mold I out or detaching bolts 23 at the keel positions of the sections by using hoisting equipment, and removing the inner mold I in sections; until the templates are completely removed;
step (7) preparing to remove the rubber sheet 16: firstly, a hot air blower is used for heating the rubber sheet 16, and at the moment, the glue melts, so that the rubber sheet is easy to separate from the ribbon board 11; and then cleaning the rubber sheet 16 and the ribbon board 11 by using an organic solvent such as alcohol, removing glue residues on the rubber sheet 16 and the ribbon board 11, and keeping the rubber sheet 16 and the ribbon board 11 clean for the next use.
Claims (9)
1. A square PC well chamber prefabricated template comprises an inner die (I), an outer die (II), an inclined strut support (III), an inclined strut (IV) and a fastener (V), and is characterized in that the inner die (I) is formed by combining a U-shaped inner angle keel (1), an H-shaped inner angle keel (2), a U-shaped standard length straight section keel (5), an H-shaped standard length straight section keel (6), an inner die U-shaped nonstandard length straight section keel (7), an inner die H-shaped nonstandard length straight section keel (8), a batten (11), an external corner plate A (12), an external corner plate B (13), a clamping strip (14), a base plate (15), a rubber sheet (16) and a bolt (23); the outer die (II) is formed by combining a U-shaped outer corner keel (3), an H-shaped outer corner keel (4), a U-shaped standard length straight section keel (5), an H-shaped standard length straight section keel (6), an outer die U-shaped nonstandard length straight section keel (9), an outer die H-shaped nonstandard length straight section keel (10), a slat (11), a clamping strip (14), a rubber sheet (16) and a bolt (23); the inclined strut support (III) is formed by combining a support guide rail (17) and a support (18); the inclined strut (IV) is formed by combining a threaded sleeve (19) and a threaded mandril (20); the fastener (V) is formed by combining two grabbing buckles (21) and a lock catch (22).
2. The square PC well room prefabricated form of claim 1, wherein: the keel has two section types; one is a U-shaped cross section which is respectively arranged at the upper end part and the lower end part of the combined template, namely a U-shaped inner corner keel (1), a U-shaped outer corner keel (3), a U-shaped standard length straight section keel (5), an inner die U-shaped nonstandard length straight section keel (7) and an outer die U-shaped nonstandard length straight section keel (9); the H-shaped section is arranged in the middle of a combined template, and comprises an H-shaped inner angle keel (2), an H-shaped outer angle keel (4), an H-shaped standard length straight section keel (6), an inner mold H-shaped nonstandard length straight section keel (8) and an outer mold H-shaped nonstandard length straight section keel (10).
3. The square PC well chamber prefabricated form as claimed in claim 1, wherein: the keels with the two cross sections have two plane shapes, namely a straight section and a right-angle section, and the right-angle section is divided into an inner-angle keel and an outer-angle keel; the inner corner keel is arranged at the corner of the inner mold, and the outer corner keel is arranged at the corner of the outer mold; the straight section is divided into a straight section with standard length and a straight section with non-standard length; the length of the standard length straight section is 1m, the standard length straight section is arranged in the middle of the span of the inner mold and the outer mold, the non-standard section is arranged between the right-angle section keel and the standard length straight section, and the length of the non-standard section is required to be set according to the size of a specific inspection well; limiting holes are formed in the keel flanges and used for fixing the battens (11) and orderly arranging the battens (11) into the template panel; the keel is in a segmented state before use, and all the segments are connected into a whole through bolts (22) when the keel is used.
4. The square PC well room prefabricated form of claim 1, wherein: the inner mold U-shaped nonstandard length straight section keel (7), the inner mold H-shaped nonstandard length straight section keel (8), the outer mold U-shaped nonstandard length straight section keel (9) and the outer mold H-shaped nonstandard length straight section keel (10) are all nonstandard components, and the manufacturing length of the components is determined according to the size of the square PC well; the main section of the batten (11) is a T-shaped section, the length is 1m standard length, and other length sections smaller than 1m can be produced according to actual needs; the flange direction is a panel, and a rib plate is vertical to the flange direction; the upper part, the middle part and the lower part of the rib plate are protruded backwards, penetrate through the limiting hole of the keel and penetrate out of the limiting hole at the other side of the keel, and the end parts of the protruding parts are provided with clamping grooves for placing clamping strips (14).
5. The square PC well chamber prefabricated form as claimed in claim 1, wherein: the external corner plate has two specifications, namely an external corner plate A (12) and an external corner plate B (13), and the main sections of the external corner plates are both F-shaped sections; the external corner plates with two specifications are respectively positioned on two sides of the corner external corner of the internal mold (I), the plate surfaces of the external corner plates are flush with the batten (11), and the external corner plates act on the batten (11) in the same way.
6. The square PC well room prefabricated form of claim 1, wherein: the clamping strip (14) is of a rectangular section and is used for limiting the sliding of the batten in the limiting hole; the base plate (15) is a rectangular steel plate and is used for fixing an external angle plate on the internal angle keel, the lower end of the base plate (15) extends into a clamping groove of the external angle plate, and a mounting bolt (23) on the surface of the base plate (15) is fixed with a keel flange; the rubber sheet (16) is used as a template surface layer and is adhered to the panel of the batten (11); the inclined strut support (III) comprises a support guide rail (17) and a support (18); the support guide rail (17) is fixed on the ground through a bolt (23), the support (18) is fixed on the support guide rail (17) through a bottom structure, and the support form a sliding support together; the side wall of the support (18) is provided with a reserved bolt hole for fixing the end part of the threaded sleeve (19).
7. The square PC well room prefabricated form of claim 1, wherein: the inclined strut (IV) comprises a threaded sleeve (19) and a threaded ejector rod (20); the threaded mandril (20) is arranged in the threaded sleeve (19), and the threaded mandril (20) can do jacking and contracting movement by rotating the threaded sleeve (19), so that the length of the inclined strut (IV) can be conveniently adjusted; the end part of the threaded sleeve (19) is connected with the inclined strut support (III) through a bolt (23) to form a hinged support; the rod end of the threaded mandril (20) extends into the ear hole of the lock catch (22) to support the keel.
8. The square PC well room prefabricated form of claim 1, wherein: the ends of the grabbing buckles (21) symmetrically grab the upper flange and the lower flange on the outer side of the keel, and the lock catches (22) slide into the tails of the two grabbing buckles (21) to lock the two grabbing buckles (21); meanwhile, the ear hole of the lock catch (22) is used for structural connection with the end of the threaded mandril (20).
9. The construction assembling and disassembling method of the square PC well chamber prefabricated template as claimed in claim 1, characterized in that: the method comprises the following steps:
step (1), customizing a straight section keel with a nonstandard length: firstly, simulating the installation process of a square PC well prefabricated template in three-dimensional modeling software to obtain the length of a keel of a nonstandard length straight section to be customized and the number and arrangement positions of keel limiting holes; after the simulation installation is successful, customizing the keel according to the manufacturing parameters of the straight section keel with the nonstandard length;
step (2), installing a diagonal bracing support (III) at the position of a reserved bolt hole on the ground, and sticking a red adhesive tape on the ground to be used as an inner die and outer die installation positioning line to confirm that the field of the operation field is neat and safe;
step (3) preparing an inner die (I) for assembly and fixation: firstly, fixing 4 inclined struts (IV) on an inner die inclined strut support (III) through bolts; secondly, installing an external corner plate A (12) and an external corner plate B (13) on the internal corner keels, after the external corner plates are installed, combining all layers of internal corner keels into a whole, then arranging all combined internal corner keels at a designated position, then sequentially splicing straight section keels of the internal mold (I), connecting all sections of internal mold keels into a whole by using bolts (23), basically installing the main body of the internal mold (I), then aligning the main body position of the internal mold (I), installing fasteners on the keels of the internal mold (I), extending the end parts of threaded ejector rods (20) into ear holes of lock catches (22), and then sequentially assembling the battens (11); after all the laths (11) are installed, arranging the clamping strips (14) until the inner mold (I) is basically installed, finally paving rubber sheets (16) and coating a release agent on the surface layer;
step (4), preparing an outer mold (II), assembling and fixing: after the reinforcement cage is placed in place, the outer mold (II) is assembled and fixed; the assembling sequence of the external mold (II) is slightly different from that of the internal mold (I); the outer die (II) is firstly provided with a strip plate (11) on each corner keel, and is paved with rubber sheets (15) and smeared with a release agent to form an outer die corner template; then connecting straight section keels with standard length and non-standard length by using bolts (23), installing a strip plate (11), then paving rubber sheets (16) and coating a release agent to form an external mold straight template; finally, placing the outer mold corner templates and the straight templates at specified positions and connecting the outer mold corner templates and the straight templates into a whole by using bolts (23), so that the outer mold is installed; then aligning the main body of the outer die (II), installing a fastener and an inclined strut (IV) on a keel of the outer die (II), connecting the end part of a threaded sleeve (19) with a support (18) of the inclined strut (IV), and connecting the end part of a threaded ejector rod (20) with an ear hole of a lock catch (22); the inclined strut (IV) can enhance the bearing capacity of the template and is also used for positioning the template, so that the inner mold (I) and the outer mold (II) are not dislocated due to construction disturbance;
step (5), preparing and removing an external mold (II): firstly, bolts at the hinged points of the threaded sleeves (19) of the outer die diagonal braces (II) and the outer die diagonal brace (IV) supports (18) are removed, the outer die diagonal braces (IV) are removed, and fasteners of the outer die (II) are removed; secondly, the bolts (23) at the splicing positions of the keels of the outer die (II) are disassembled, and the die plate of the outer die (II) can be removed in a slicing mode; until the outer mold (II) is completely dismantled;
step (6) preparing to dismantle the internal mold (I): firstly, removing a bolt (23) at the hinged point of a threaded sleeve (19) of an inner die diagonal brace (IV) and a support (18) of the inner die diagonal brace (I), removing the inner die diagonal brace (IV), and removing a fastener of the inner die (I); secondly, integrally moving the inner mold (I) out or disassembling bolts (23) at the keel positions of all the sections by using hoisting equipment, and removing the inner mold (I) in sections; until the template is completely removed;
step (7) preparing to remove the rubber sheet (16): firstly, a hot air blower is used for heating the rubber sheet (16), and the glue melts at the moment, so that the rubber sheet is easy to separate from the ribbon board (11); and then cleaning the rubber sheet (16) and the ribbon board (11) by using organic solvents such as alcohol and the like, removing glue residues on the rubber sheet (16) and the ribbon board (11), and keeping the rubber sheet (16) and the ribbon board (11) clean for the next use.
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| CN202211241994.7A CN115476425A (en) | 2022-10-11 | 2022-10-11 | Square PC well chamber prefabricated template and construction assembling and disassembling method |
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| CN202211241994.7A CN115476425A (en) | 2022-10-11 | 2022-10-11 | Square PC well chamber prefabricated template and construction assembling and disassembling method |
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