CN112096071A - Composite assembly type building construction method for sinking type reclaimed water plant - Google Patents
Composite assembly type building construction method for sinking type reclaimed water plant Download PDFInfo
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- CN112096071A CN112096071A CN202010801442.1A CN202010801442A CN112096071A CN 112096071 A CN112096071 A CN 112096071A CN 202010801442 A CN202010801442 A CN 202010801442A CN 112096071 A CN112096071 A CN 112096071A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000009435 building construction Methods 0.000 title claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 229910001095 light aluminium alloy Inorganic materials 0.000 claims abstract description 46
- 238000010276 construction Methods 0.000 claims abstract description 19
- 239000002023 wood Substances 0.000 claims description 51
- 230000008929 regeneration Effects 0.000 claims description 15
- 238000011069 regeneration method Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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Abstract
The invention discloses a construction method of a composite assembly type building of a sinking type reclaimed water plant, which comprises the following steps: a support structure mounting step: supporting steel pipes are arranged on two sides of each structural column, and adjustable screw rods are arranged at the tops of the supporting steel pipes; the method comprises the following steps of: hoisting the convex prefabricated structural beam to a position between the adjustable screw rods of the two adjacent structural columns, so that the adjustable screw rods support the end part of the convex prefabricated structural beam, and installing the high-strength light aluminum alloy beam: hoisting the high-strength light aluminum alloy beam between every two adjacent convex prefabricated structural beams; a galvanized corrugated steel plate mounting step, namely mounting the galvanized corrugated steel plate to the upper side of the high-strength light aluminum alloy beam; pouring: pouring the stressed steel bars of the upper wing plate part and the stressed steel bars of the floor slab to form the floor slab; dismantling: and disassembling the support steel pipe, the adjustable screw rod and the high-strength light aluminum alloy beam. The construction method can save the construction time.
Description
Technical Field
The invention relates to a building construction method, in particular to a composite assembly type building construction method for a sinking type reclaimed water plant.
Background
In the conventional construction process of a sunken type regeneration water plant, a full red support and a beam plate template need to be installed when beam and plate concrete is poured, and the full red support, the beam and the plate template need to be disassembled and transported after pouring is completed. The time spent on installing the full red support and the beam plate template by the conventional method is also longer than the time spent on hoisting the precast beam, hoisting the high-strength light aluminum alloy beam and installing the corrugated steel plate in a composite assembly mode, a large amount of labor and time are spent on dismantling the full red support and the beam plate template by the conventional method, equipment can be installed after the full red support is dismantled by the conventional method, and the construction time is greatly spent.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a construction method of a composite assembly type building of a sunken type regeneration water plant, which can save the construction time.
The purpose of the invention is realized by adopting the following technical scheme:
a composite assembly type building construction method of a sinking type regeneration water plant is applied to the sinking type regeneration water plant, the sinking type regeneration water plant is provided with structural columns, the structural columns are distributed in an array mode, and the construction method comprises the following steps:
a support structure mounting step: supporting steel pipes are arranged on two sides of each structural column, and adjustable screw rods are arranged at the tops of the supporting steel pipes;
the method comprises the following steps of: hoisting the convex prefabricated structural beam between adjustable screw rods of two adjacent structural columns to enable the adjustable screw rods to support the end part of the convex prefabricated structural beam, wherein the convex prefabricated structural beam comprises a lower wing plate part and a web plate part;
the high-strength light aluminum alloy beam mounting step: hoisting the high-strength light aluminum alloy beam between every two adjacent convex prefabricated structural beams, so that the top wall of the lower wing plate part of each convex prefabricated structural beam supports the end part of the high-strength light aluminum alloy beam;
a galvanized corrugated steel plate mounting step, namely mounting the galvanized corrugated steel plate to the upper side of the high-strength light aluminum alloy beam;
pouring: laying upper wing part stressed steel bars and upper wing part stirrups on the top side of a web part of the convex prefabricated structural beam, binding each upper wing part stirrup with the upper wing part stressed steel bar, laying floor slab stressed steel bars on the top side of the galvanized corrugated steel plate, and then pouring the upper wing part stressed steel bars and the floor slab stressed steel bars to form a floor slab;
dismantling: and disassembling the support steel pipe, the adjustable screw rod and the high-strength light aluminum alloy beam.
Specifically, the inside of wing board portion is equipped with a plurality of wing board portion atress reinforcing bars down, the inside of wing board portion is equipped with a plurality of wing board portion stirrups down, each down the wing board portion stirrup all with wing board portion atress reinforcement ligature down, the inside of web portion is equipped with a plurality of erections muscle, the inside of web portion is equipped with a plurality of structure roof beam opening stirrups, each structure roof beam opening stirrup all with erect the muscle ligature, the opening section of structure roof beam opening stirrup stretch out in the roof of web portion.
Specifically, two ends of the stressed steel bar of the lower wing plate portion extend out of two ends of the main body of the convex prefabricated structural beam to form two extending sections, and one of the extending sections is not collinear with the main body of the stressed steel bar of the lower wing plate portion.
Specifically, the diameter of the stressed steel bar of the lower wing plate part is D1mm, and the length value of the overhanging section is larger than D1 x 15 mm.
Specifically, the diameter of the lower wing plate part stress steel bar is D1mm, and the vertical distance between one of the overhanging sections and the central shaft of the lower wing plate part stress steel bar main body is D1+10 mm.
Specifically, in the step of mounting the supporting structure, a wooden template is arranged on the upper side of the adjustable screw, a channel steel is arranged on the upper side of the wooden template, and a notch of the channel steel faces downwards.
Specifically, in the high-strength light aluminum alloy beam installation step, the web side wall of the "convex" type prefabricated structural beam is provided with an upper wood purlin, a lower wood purlin and a support wood purlin, the upper wood purlin and the lower wood purlin are both arranged along the transverse direction, the lower wood purlin is used for being padded on the upper side of the lower wing plate portion of the "convex" type prefabricated structural beam, the upper wood purlin is used for abutting against the galvanized corrugated steel plate, the support wood purlin is arranged along the vertical direction, and the upper end and the lower end of the support wood purlin abut against the upper wood purlin and the lower wood purlin respectively.
Specifically, in the galvanized corrugated steel plate mounting step, the galvanized corrugated steel plate is driven into the upper wood purlin or the high-strength light aluminum alloy beam through self-tapping screws at two ends, so that the galvanized corrugated steel plate is mounted on the upper side of the high-strength light aluminum alloy beam.
Specifically, the high-strength light aluminum alloy beam is a hollow beam, the section of the high-strength light aluminum alloy beam is cuboid, and the thickness of the high-strength light aluminum alloy beam is 2.5mm-4.5 mm.
Specifically, in the step of installing the high-strength light aluminum alloy beam, an extruded sheet is padded on the top wall of the lower wing plate part of the convex prefabricated structural beam, and the extruded sheet supports the end part of the high-strength light aluminum alloy beam.
Compared with the prior art, the invention has the beneficial effects that:
the method comprises the following steps of prefabricating a convex prefabricated structural beam before the foundation pit supporting starts, immediately hoisting the convex prefabricated structural beam, hoisting a high-strength light aluminum alloy beam, hoisting and paving a galvanized corrugated steel plate and pouring a floor slab after a structural column is completed, and immediately entering the field for installation. Thereby greatly advancing the time of the equipment entering the field for installation.
Prefabricated "protruding" type precast structure roof beam is compared in the rectangular beam, under the condition that does not influence the atress, has alleviateed roof beam dead weight itself greatly for prefabricated "protruding" type precast structure roof beam hoist and mount are lighter.
In addition, the technical scheme abandons the traditional construction of the cast-in-place beam slab by adopting the full red supporting structure and the wood slab, adopts the high-strength light aluminum alloy beam which can be repeatedly used to replace the full red support, does not need to need more manpower for removing the full red supporting structure and the wood slab, and saves a large amount of manpower resources. And simultaneously, a sufficient working surface is provided for the equipment to be installed in advance.
Compared with the existing floor assembling type construction, the method abandons the hoisting of the laminated slab, replaces the lighter galvanized corrugated steel plate, is more convenient and lighter to hoist, and is not afraid of the collision in the installation process. The beam plate structure is integrated with the galvanized corrugated steel plate after being poured, is used as a ceiling decorative plate of a reclaimed water plant, is not required to be disassembled, saves a large amount of time for disassembling the wood plate in the traditional method, and provides necessary conditions for the equipment to enter the field in advance for installation. The traditional wood board cannot be installed without dismantling equipment.
The method can be used for the sinking type regeneration water plant, the equipment installation can be carried out in advance, the project construction flow time is shortened, and the sinking type regeneration water plant can create good economic benefits when being operated in advance.
Drawings
FIG. 1 is a view showing a state that a "convex" type precast structural beam is supported by a support steel pipe and an adjustable screw;
FIG. 2 is a partial side view of a "convex" type precast structural beam;
FIG. 3 is a cutaway view corresponding to section A-A in FIG. 2;
FIG. 4 is a view showing a state in which a high-strength lightweight aluminum alloy beam is installed between "convex" type prefabricated structural beams;
FIG. 5 is a sectional view corresponding to section B-B in FIG. 4;
fig. 6 is a state view of the upper wood purlin, the lower wood purlin and the support wood purlin disposed on the side wall of the web portion;
FIG. 7 is a cutaway view corresponding to section C-C of FIG. 6;
FIG. 8 is a partial structural cross-sectional view after construction is complete;
fig. 9 is another partial structural sectional view after construction is completed.
In the figure: 1. a structural column; 11. a column longitudinal bar; 2. a 'convex' type prefabricated structural beam; 21. a lower flap portion; 22. a web portion; 23. the lower wing plate part is stressed with steel bars; 231. an overhanging section; 24. a lower wing plate part stirrup; 25. erecting ribs; 26. a structural beam opening stirrup; 27. the upper wing plate part is provided with a stressed steel bar; 28. a stirrup for the upper flap part; 29. an upper flap portion; 3. a high-strength light aluminum alloy beam; 4. galvanized corrugated steel sheet; 51. supporting the steel pipe; 52. an adjustable screw; 53. a wood template; 54. channel steel; 61. adding wood purlin; 62. feeding wood purlin; 63. supporting wood purlin; 7. and (5) extruding the plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
A composite assembly type building construction method of a sinking type regeneration water plant is applied to the sinking type regeneration water plant. Referring to fig. 1, the sinking type regeneration water plant is provided with structural columns 1, and the structural columns 1 are distributed in an array (fig. 1 only shows one row of structural columns 1). The transverse section of the structural column 1 is rectangular, a plurality of columns are arranged in the structural column 1 to longitudinally arrange the ribs 11, the columns are longitudinally arranged in a rectangular array, the ribs 11 are longitudinally arranged on the columns and close to the surface layer of the structural column 1, and the top ends of the longitudinal ribs 11 of the columns exceed the top of the main body of the structural column 1.
The construction method of the composite assembly type building of the sinking type reclaimed water plant comprises the following steps:
a support structure mounting step: referring to fig. 1, support steel pipes 51 are arranged on both sides of each structural column 1, and adjustable screws 52 are arranged at the tops of the support steel pipes 51;
the method comprises the following steps of: referring to fig. 1 to 3, the "convex" type precast structural beam 2 is hoisted between the adjustable bolts 52 of each adjacent two structural columns 1 such that the adjustable bolts 52 support the end of the "convex" type precast structural beam 2 (refer to fig. 1). Wherein the 'convex' type prefabricated structural beam 2 comprises a lower wing plate part 21 and a web plate part 22;
the high-strength light aluminum alloy beam mounting step: with reference to fig. 2 to 5, hoisting the high-strength light aluminum alloy beam 3 between two adjacent "convex" type prefabricated structural beams 2, so that the top wall of the lower wing plate part 21 of the "convex" type prefabricated structural beam 2 supports the end part of the high-strength light aluminum alloy beam 3 (as shown in fig. 4 and 5);
installation of the galvanized corrugated steel plate: mounting a galvanized corrugated steel plate 4 to the upper side of the high-strength lightweight aluminum alloy beam 3 (as shown in fig. 4 and 5);
pouring: referring to fig. 8 and 9, the top side of the web portion 22 of the "convex" type prefabricated structural beam 2 is laid with upper wing portion stressed steel bars 27 and upper wing portion stirrups 28, and each upper wing portion stirrup 28 is bound with the upper wing portion stressed steel bar 27. And (3) laying floor slab stressed steel bars (not shown) on the top side of the galvanized corrugated steel plate 4, and then pouring the upper wing plate part stressed steel bars 27 and the floor slab stressed steel bars to form a floor slab (refer to a position D in fig. 8 and 9). The corresponding part of the upper wing plate part stressed steel bar 27 and the upper wing plate part hoop reinforcement 28 becomes an upper wing plate part 29, so that the 'I' -shaped structural beam is formed by the 'convex' type prefabricated structural beam 2 (refer to figure 9).
Dismantling: and disassembling the support steel pipe 51, the adjustable screw rod 52 and the high-strength light aluminum alloy beam 3.
Specifically, referring to fig. 2 and 3, a plurality of lower wing plate stressed steel bars 23 are arranged inside the lower wing plate 21, a plurality of lower wing plate stirrups 24 are arranged inside the lower wing plate 21, and each lower wing plate stirrup 24 is bound to the lower wing plate stressed steel bar 23. A plurality of frame ribs 25 are provided inside the web portion 22. A plurality of structural beam opening stirrups 26 are arranged inside the web portion 22, each structural beam opening stirrup 26 is bound with the erection bars 25, and the opening section of the structural beam opening stirrup 26 extends out of the top wall of the web portion 22.
Specifically, referring to fig. 2, both ends of the lower flap portion force-receiving reinforcing steel bar 23 extend out of both ends of the main body of the "convex" type prefabricated structural beam 2, so as to form two extending sections 231, wherein one extending section 231 (the extending section 231 on the right side in fig. 2) is not collinear with the main body of the lower flap portion force-receiving reinforcing steel bar 23, so that the extending sections 231 of two adjacent "convex" type prefabricated structural beams 2 can be staggered with each other (refer to fig. 1 and fig. 2).
Specifically, the diameter of the lower wing-portion force-bearing steel bar 23 is D1mm, and the length of the external extension 231 is greater than D1 × 15 mm. Wherein, the both ends welding of the lower wing board portion atress reinforcing bar 23 that is drawn has the steel sheet, and the both ends of the lower wing board portion atress reinforcing bar 23 that is pressed need not to weld the steel sheet.
Specifically, the diameter of the lower wing-portion force-receiving steel bar 23 is D1mm, and the vertical distance between one of the overhanging sections 231 (the overhanging section 231 on the right side in fig. 2) and the central axis of the main body of the lower wing-portion force-receiving steel bar 23 is D1+10 mm.
Specifically, referring to fig. 1, in the above-described support structure installation step, a plank formwork 53 is provided on an upper side of the adjustable screw 52, a channel 54 is provided on an upper side of the plank formwork 53, and a notch of the channel 54 faces downward.
Specifically, with reference to fig. 6 and 7, in the step of installing the high-strength light aluminum alloy beam 3, an upper wood purlin 61, a lower wood purlin 62 and a support wood purlin 63 are arranged on a side wall of the web portion 22 of the "convex" type prefabricated structural beam 2, the upper wood purlin 61 and the lower wood purlin 62 are both arranged along the transverse direction, the lower wood purlin 62 is used for being padded on an upper side of the lower wing portion 21 of the "convex" type prefabricated structural beam 2, the upper wood purlin 61 is used for abutting against the galvanized corrugated steel plate 4, the support wood purlin 63 is arranged along the vertical direction, and upper and lower ends of the support wood purlin 63 abut against the upper wood purlin 61 and the lower wood purlin 62 respectively.
Specifically, in the above-described galvanized corrugated steel plate mounting step, the galvanized corrugated steel plate 4 is driven into the upper wood brace 61 or the high-strength lightweight aluminum alloy beam 3 by self-tapping screws at both ends, so as to be mounted to the upper side of the high-strength lightweight aluminum alloy beam 3.
Specifically, as shown in fig. 5, the high-strength light aluminum alloy beam 3 is a hollow beam, the cross section of the high-strength light aluminum alloy beam 3 is rectangular, and the thickness of the high-strength light aluminum alloy beam 3 is 2.5mm to 4.5 mm.
Specifically, in the step of installing the high-strength light aluminum alloy beam, the extruded sheet 7 is padded on the top wall of the lower wing plate part 21 of the convex prefabricated structural beam 2, and the end part of the high-strength light aluminum alloy beam 3 is supported by the extruded sheet 7.
The construction method of the composite assembly type building of the sinking type reclaimed water plant has the advantages that:
the method comprises the following steps of prefabricating a convex prefabricated structural beam 2 before the foundation pit supporting starts, immediately hoisting the convex prefabricated structural beam 2, hoisting a high-strength light aluminum alloy beam 3, hoisting and paving a galvanized corrugated steel plate 4 and pouring a floor slab after the structural column 1 is finished, and immediately entering the field for installation. Thereby greatly advancing the time of the equipment entering the field for installation.
Compared with a rectangular beam, the prefabricated convex prefabricated structural beam 2 greatly reduces the self weight of the beam without influencing the stress, so that the prefabricated convex prefabricated structural beam 2 is more convenient to hoist.
In addition, the technical scheme abandons the traditional construction of cast-in-place beam slabs and adopts the full red supporting structure and the wood slabs, adopts the high-strength light aluminum alloy beam 3 which can be repeatedly utilized to replace the full red support, does not need to be longitudinal and multi-manpower for dismantling the full red supporting structure and the wood slabs, and saves a large amount of manpower resources. And simultaneously, a sufficient working surface is provided for the equipment to be installed in advance.
Compared with the existing floor assembling type construction, the method abandons the hoisting of the laminated slab, replaces the lighter galvanized corrugated steel plate 4, is more convenient and lighter to hoist, and is not afraid of the collision in the installation process. The beam plate structure is integrated with the galvanized corrugated steel plate 4 after being poured, is used as a ceiling decorative plate of a reclaimed water plant, is not required to be disassembled, saves a large amount of time for disassembling the wood plate in the traditional method, and provides necessary conditions for the equipment to enter the field in advance for installation. The traditional wood board cannot be installed without dismantling equipment.
The method can be used for the sinking type regeneration water plant, the equipment installation can be carried out in advance, the project construction flow time is shortened, and the sinking type regeneration water plant can create good economic benefits when being operated in advance.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A composite assembly type building construction method for a sinking type regeneration water plant is applied to the sinking type regeneration water plant, the sinking type regeneration water plant is provided with structural columns, and the structural columns are distributed in an array mode, and the construction method is characterized by comprising the following steps:
a support structure mounting step: supporting steel pipes are arranged on two sides of each structural column, and adjustable screw rods are arranged at the tops of the supporting steel pipes;
the method comprises the following steps of: hoisting the convex prefabricated structural beam between adjustable screw rods of two adjacent structural columns to enable the adjustable screw rods to support the end part of the convex prefabricated structural beam, wherein the convex prefabricated structural beam comprises a lower wing plate part and a web plate part;
the high-strength light aluminum alloy beam mounting step: hoisting the high-strength light aluminum alloy beam between every two adjacent convex prefabricated structural beams, so that the top wall of the lower wing plate part of each convex prefabricated structural beam supports the end part of the high-strength light aluminum alloy beam;
a galvanized corrugated steel plate mounting step, namely mounting the galvanized corrugated steel plate to the upper side of the high-strength light aluminum alloy beam;
pouring: laying upper wing part stressed steel bars and upper wing part stirrups on the top side of a web part of the convex prefabricated structural beam, binding each upper wing part stirrup with the upper wing part stressed steel bar, laying floor slab stressed steel bars on the top side of the galvanized corrugated steel plate, and then pouring the upper wing part stressed steel bars and the floor slab stressed steel bars to form a floor slab;
dismantling: and disassembling the support steel pipe, the adjustable screw rod and the high-strength light aluminum alloy beam.
2. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 1, wherein: the inside of wing board portion is equipped with a plurality of wing board portion atress reinforcing bars down, the inside of wing board portion is equipped with a plurality of wing board portion stirrups down, each down the wing board portion stirrup all with the ligature of wing board portion atress reinforcing bar down, the inside of web portion is equipped with a plurality of erects muscle, the inside of web portion is equipped with a plurality of structure roof beam opening stirrups, each structure roof beam opening stirrup all with the ligature of erectting muscle, the opening section of structure roof beam opening stirrup stretch out in the roof of web portion.
3. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 2, wherein: and two ends of the stressed steel bar of the lower wing plate part extend out of two ends of the main body of the convex prefabricated structural beam to form two extending sections, wherein one of the extending sections is not collinear with the main body of the stressed steel bar of the lower wing plate part.
4. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 3, wherein: and the diameter of the stressed steel bar of the lower wing plate part is D1mm, and the length value of the overhanging section is larger than D1 x 15 mm.
5. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 3, wherein: the diameter of the lower wing plate part stress steel bar is D1mm, and the vertical distance between one of the overhanging sections and the central shaft of the lower wing plate part stress steel bar main body is D1+10 mm.
6. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 1, wherein: in the mounting step of the supporting structure, a wooden template is arranged on the upper side of the adjustable screw, a channel steel is arranged on the upper side of the wooden template, and a notch of the channel steel faces downwards.
7. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 1, wherein: in the step of installing the high-strength light aluminum alloy beam, an upper wood purlin, a lower wood purlin and a support wood purlin are arranged on the side wall of the web plate portion of the 'convex' type prefabricated structural beam, the upper wood purlin and the lower wood purlin are transversely arranged, the lower wood purlin is used for being padded on the upper side of the lower wing plate portion of the 'convex' type prefabricated structural beam, the upper wood purlin is used for abutting against the galvanized corrugated steel plate, the support wood purlin is arranged vertically, and the upper end and the lower end of the support wood purlin abut against the upper wood purlin and the lower wood purlin respectively.
8. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 7, wherein: in the installation step of the galvanized corrugated steel plate, the galvanized corrugated steel plate is driven into the upper wood beam or the high-strength light aluminum alloy beam through self-tapping screws at two ends so as to be installed on the upper side of the high-strength light aluminum alloy beam.
9. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 1, wherein: the high-strength light aluminum alloy beam is a hollow beam, the section of the high-strength light aluminum alloy beam is cuboid, and the thickness of the high-strength light aluminum alloy beam is 2.5-4.5 mm.
10. The composite fabricated building construction method of a sunken reclaimed water plant according to claim 1, wherein: in the step of mounting the high-strength light aluminum alloy beam, an extruded sheet is padded on the top wall of the lower wing plate part of the convex prefabricated structural beam, and the extruded sheet supports the end part of the high-strength light aluminum alloy beam.
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