CN111119237B - Construction method of composite type unilateral formwork supporting system of basement exterior wall - Google Patents
Construction method of composite type unilateral formwork supporting system of basement exterior wall Download PDFInfo
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- CN111119237B CN111119237B CN201911421458.3A CN201911421458A CN111119237B CN 111119237 B CN111119237 B CN 111119237B CN 201911421458 A CN201911421458 A CN 201911421458A CN 111119237 B CN111119237 B CN 111119237B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- 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
- E04B1/0007—Base structures; Cellars
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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Abstract
The invention relates to a construction method of a composite unilateral formwork system of a basement exterior wall, which comprises the following steps: 1) construction preparation; 2) laying a wale; 3) erecting construction of a prefabricated tire mold; 4) supporting a formwork at the bottom of the basement outer wall; 5) pouring concrete on the outer wall of the basement; 6) and (5) sliding formwork erecting construction of the basement outer wall. The invention has the beneficial effects that: according to the invention, the pile side hoop plate is connected with the supporting pile through the connecting anchor bolt and the hoop plate anchor bar, and the cross-brace waist beam is connected with the pile side hoop plate through the waist beam hoop, so that the connecting difficulty of components is reduced, and the integrity of the structure is improved; meanwhile, the first connecting hoop and the second connecting hoop are arranged at the longitudinal joint of the cross-brace wale, and the auxiliary lacing wire is arranged between the lacing wire supporting plates on the outer side walls of the first connecting hoop and the second connecting hoop, so that the connecting strength of the cross-brace wale can be effectively improved, and the connecting and positioning difficulty can be reduced.
Description
Technical Field
The invention relates to a construction method of a composite type unilateral formwork supporting system of a basement exterior wall, belongs to the field of building engineering, and is suitable for unilateral formwork supporting construction engineering of the basement exterior wall.
Background
The basement engineering of the building is an important measure for expanding the space of the building land, and for some construction projects in busy urban districts, the construction technology of the basement outer wall can only adopt a single-side formwork construction technology under the influence of buildings and structures in peripheral areas, but the construction technology has certain difficulty in the aspects of template processing and construction installation, and the problems of poor template integrity, slurry leakage, difficult positioning and the like exist frequently.
In the prior art, a single-side formwork structure of an underground outdoor wall structure mainly comprises a brick bed film, a waterproof layer, a shear wall formwork and a water stop screw rod; brick fetal membrane one side and outside foundation ditch connection, brick fetal membrane opposite side are the plane setting, and are provided with the anticracking layer on brick fetal membrane opposite side, and the waterproof layer coating is on the anticracking layer, and shear wall template one side is passed through the bracing piece and is connected with interior wall, and has poured between shear wall template opposite side and the waterproof layer and have concrete shear wall, and the stagnant water screw interlude shear wall template and concrete shear wall and brick fetal membrane are connected with outside foundation ditch. The construction structure is simple, the construction efficiency is high, the difficult problem of engineering construction without a construction working face outside the underground structure can be solved to a certain extent, but the construction technology such as reinforcing the stability of the construction structure, improving the concrete pouring quality control and the like is still to be further researched, and the structure does not relate to the construction technology such as formwork erecting, positioning and the like.
In view of this, the invention is urgently needed to provide a construction method of a composite single-side formwork system for a basement exterior wall, which can improve the bearing capacity of a wale, enhance the integrity of a formwork, reduce the difficulty of formwork support and improve the concrete construction quality.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the construction method of the composite single-side formwork system for the basement outer wall, which can improve the bearing capacity of the cross-brace waist beam, enhance the integrity of the formwork, reduce the difficulty in erecting the formwork and improve the concrete construction quality.
The construction method of the basement exterior wall composite type unilateral formwork system comprises the following steps:
1) construction preparation: performing support pile construction, preparing a cross-brace waist beam and a prefabricated moulding bed, determining a concrete mixing ratio and an on-site construction process, and preparing materials and devices required by construction;
2) laying a wale: connecting the pile side hoop plate and a connecting anchor plate inside the support pile firmly through a connecting anchor bolt; hoisting the wale to the position between the opposite pile side hoop plates, and firmly connecting the wale hoop outside the wale with the pile side hoop plates through hoop connecting ribs; a beam end sealing layer is arranged at the longitudinal joint of the wale and the wale, a first connecting hoop and a second connecting hoop are arranged on the periphery of the longitudinal connecting part, and the lacing wire supporting plates on the outer side walls of the first connecting hoop and the second connecting hoop are connected through auxiliary lacing wires; penetrating the prestressed lacing wire into the lacing wire penetrating hole of the cross-brace waist rail, and applying prestress to the cross-brace waist rail;
3) erecting and constructing a prefabricated tire mold: sequentially arranging a seam sealing layer and a forming die bottom plate on the concrete bottom plate, arranging 2-3 water-intercepting strips between the forming die bottom plate and the concrete bottom plate, and firmly connecting a bottom plate outer side plate on the outer side of the forming die bottom plate with the concrete bottom plate through a side plate anchor bar; inserting the bottom end of the prefabricated tire mold into the tire mold inserting groove, and arranging a seam waterproof layer and a waterproof reinforcing body at the vertical and horizontal seam steps of the prefabricated tire mold; respectively arranging an indwelling lacing wire and a recoverable lacing wire on the side of the prefabricated moulding bed facing the underground outdoor wall and the side of the prefabricated moulding bed departing from the underground outdoor wall, and enabling the indwelling lacing wire and the recoverable lacing wire to respectively penetrate through lacing wire limiting plates on the side wall of the prefabricated moulding bed; a top pressure control body is arranged between the prefabricated mould and the support pile, and the transverse position of the prefabricated mould is limited through a mould supporting plate; synchronously applying tension force to the indwelling lacing wire and the recoverable lacing wire;
4) supporting a formwork at the bottom of the basement outer wall: a bottom side support body and a position control bottom support plate are arranged on the concrete bottom plate, and the first bottom cross brace is firmly connected with the concrete bottom plate through a bottom plate anchor bar; a position control support body is arranged between the second bottom cross brace and the position control bottom brace plate; an outer wall template is arranged on the outer side of the outer wall of the basement, and a connecting pressing plate at the bottom end of the outer wall template is firmly connected with the first bottom cross brace through a pressing plate position control bolt; a template control body is arranged between the outer wall template and the bottom vertical support;
5) and (3) concrete pouring construction of the basement exterior wall: presetting a built-in anchor plate in the supporting pile, and setting a preset anchor bolt on the built-in anchor plate and facing the underground outdoor wall side; the top end of the support pile is provided with a stay rope hanging rib; the bearing end plate is firmly connected with the preset anchor bolt, and an end plate base plate is arranged between the bearing end plate and the support pile; a suspension platform is arranged on the outer side wall of the bearing end plate, a platform stay cable is arranged between the suspension platform and the stay cable hanging rib, and a platform inclined strut is arranged between the suspension platform and the bearing end plate; arranging a prefabricated forming die on the underground outdoor wall facing the side of the supporting pile, and arranging a die plate limiting body at the top ends of the outer wall die plate and the prefabricated forming die; a filling pipe limiting hoop is arranged above the suspension platform, the concrete filling pipe sequentially passes through the filling pipe limiting hoop, the suspension platform and the filling pipe through hole on the template limiting body, and the transverse position of the concrete filling pipe is controlled through a transverse control body; controlling the height of the winding ladder through a ladder winding and pulling machine;
6) and (3) sliding formwork construction of the basement outer wall: arranging a vertical slide rail on the outer side wall of the poured outer wall, and firmly connecting the vertical slide rail with the poured outer wall through a wall connecting bolt; connecting the vertical slide rail with the sliding bottom cross brace and the sliding top cross brace through a connecting slide block, and arranging a reinforcing inclined brace and a connecting slide block which are connected with the vertical slide rail on the lower surface of the sliding bottom cross brace; a cross support bottom brace and a jacking control body are arranged on the sliding bottom cross brace, and a cross support bottom brace plate is arranged at the top end of the cross support bottom brace; a sliding support column is arranged on the sliding top cross brace, a template control body is arranged between the sliding support column and the external wall template, and an oblique support rib is arranged between the sliding support column and the sliding top cross brace; a lifting sling is arranged between the sliding top cross brace and the sliding bottom cross brace, one end of the lifting sling is firmly connected with the sliding bottom cross brace, and the other end of the lifting sling passes through a conversion lifting ring on the lower surface of the sliding top cross brace and is connected with a sling pulling machine; and after the external wall template is limited to a set position through the template control body, performing concrete pouring construction of the external wall to be poured.
Preferably, the method comprises the following steps: step 2) the pile side hoop plates are formed by rolling steel plates, the pile side hoop plates are symmetrically arranged on two sides of the cross beam, the cross section of each pile side hoop plate is arc-shaped, the central angle is 90-180 degrees, and hoop plate anchor bars are arranged between the pile side hoop plates and the support piles; the transverse strut waist beam is prefabricated by adopting reinforced concrete materials, a lacing wire penetrating hole is preset in the transverse strut waist beam, and a connecting reinforcing rib is arranged at the end part of the transverse strut waist beam; the first connecting hoop and the second connecting hoop are respectively composed of a hoop batten and a hoop connecting rib, and the first connecting hoop and the second connecting hoop are firmly connected with the cross-brace waist beam through hoop fastening rings; the hoop ribbon boards and the hoop connecting ribs are arranged at intervals; the length of the first connecting hoop on two sides of the longitudinal seam of the cross-brace waist rail is 30-50 cm.
Preferably, the method comprises the following steps: step 3) the base plate of the moulding bed is prefabricated by reinforced concrete materials, the outer side of the base plate is uniformly distributed with base plate outer side plates at intervals along the length direction, and the upper surface of the base plate of the moulding bed is provided with lacing wire anchor bolts and moulding bed inserting grooves; the prefabricated tire molds are prefabricated by reinforced concrete materials, and seam steps are arranged at the transverse seams and the vertical seams of the prefabricated tire molds; the waterproof reinforcement body adopts cement or water glass which can expand when meeting water; the joint waterproof layer is formed by cutting a rubber sheet; the jacking pressure control body mainly comprises a mould supporting plate, an external supporting cross rod, an external supporting pressure rod and a pressure rod jacking plate; the tire mold supporting plate is rotatably hinged with the outer support cross rod through the supporting plate; elastic connecting ribs are arranged between the opposite outer supporting cross rods, and outer supporting pressure rods are arranged between the outer supporting cross rods and pressure rod top transverse plates; both ends of the external bracing pressure rod are provided with pressure rod rotating hinges; the lower surface of the pressure rod top transverse plate is provided with a pressure rod limiting vertical plate, and the upper surface of the pressure rod top transverse plate is provided with a pressure rod position control rod.
Preferably, the method comprises the following steps: step 4), the bottom side support body mainly comprises a first bottom transverse support, a second bottom transverse support and a bottom vertical support, and oblique support ribs are arranged among the bottom vertical support, the first bottom transverse support and the second bottom transverse support; the position control supporting body adopts a hydraulic jack.
Preferably, the method comprises the following steps: step 5), the suspension platform is vertically welded with the bearing end plate, a perfusion tube passing hole, a position control body baffle plate and a ladder stand rolling machine are preset on the suspension platform, and the position control body baffle plate is connected with a perfusion tube limiting hoop through a transverse position control body; the ladder stand rolling machine is used for rolling and pulling to control the height of the rolling and lifting ladder stand; the winding ladder stand consists of a ladder stand lifting rope and a ladder stand pedal, wherein the ladder stand lifting rope is a steel wire rope, the ladder stand pedal is formed by rolling a steel plate, and the ladder stand pedals are uniformly distributed at intervals along the length direction of the ladder stand lifting rope; the template limiting body mainly comprises limiting body side plates, a limiting body transverse plate and a limiting adjusting rod, and a filling pipe penetrating hole is formed in the limiting body transverse plate; the limiting side plates are vertically connected with the limiting transverse plate, two limiting side plates are respectively arranged on two sides of the through hole of the perfusion tube, and the two opposite limiting side plates are enclosed to form a limiting connecting groove; an adjusting rod connecting rib is arranged between the limiting adjusting rod and the transverse plate of the limiting body, and a limiting adjusting bolt is arranged between the opposite limiting adjusting rods.
Preferably, the method comprises the following steps: step 6), the cross support bottom support plate is vertically welded with the cross support bottom support column, and a cross support bottom inclined support is arranged between the cross support bottom support plate and the cross support bottom support column; the connecting slide block consists of a slide block hanging plate and a slide block transverse rib which are mutually vertical, and the slide block hanging plate is embedded into a slide block connecting groove of the vertical slide rail and is in anchoring connection through a sliding groove connecting rib; the vertical sliding rail is provided with a sliding block connecting groove, and the outer side of the vertical sliding rail is provided with sliding groove lug plates in mirror symmetry.
The invention has the beneficial effects that:
(1) according to the invention, the pile side hoop plate is connected with the supporting pile through the connecting anchor bolt and the hoop plate anchor bar, and the cross-brace waist beam is connected with the pile side hoop plate through the waist beam hoop, so that the connecting difficulty of components is reduced, and the integrity of the structure is improved; meanwhile, the first connecting hoop and the second connecting hoop are arranged at the longitudinal joint of the cross-brace wale, and the auxiliary lacing wire is arranged between the lacing wire supporting plates on the outer side walls of the first connecting hoop and the second connecting hoop, so that the connecting strength of the cross-brace wale can be effectively improved, and the connecting and positioning difficulty can be reduced.
(2) According to the invention, the jacking control body is arranged between the support pile and the prefabricated mould, so that the stability of the prefabricated mould can be rapidly improved; meanwhile, a joint water-resisting layer and a water-resisting reinforcing body are arranged at the joint step of the prefabricated tire mould, and a joint sealing body and a water-stopping ribbon board are arranged between the tire plate bottom plate and the concrete bottom plate, so that the sealing property of the tire mould structure can be improved from multiple angles; the two sides of the prefabrication external mold are respectively provided with the indwelling lacing wire and the recoverable lacing wire, so that not only can tensile force be applied to the prefabrication tire mold, but also partial lacing wires can be recovered in the later period, and the utilization rate of materials is improved.
(3) The load of the suspension platform is synchronously transmitted to the support piles through the built-in anchor plates, the bearing end plates and the inhaul cable hanging ribs, so that the bearing capacity of the suspension platform is improved; meanwhile, the top ends of the outer wall template and the prefabricated moulding bed are provided with template limiting bodies, and the transverse distance of the limiting connecting grooves can be adjusted through the limiting adjusting rods; the winding ladder stand consists of a ladder stand lifting rope and a ladder stand pedal, has simple structure and can control the height of the winding ladder stand through a ladder stand winding machine.
(4) According to the invention, the first bottom cross brace and the second cross brace are arranged on the outer side of the bottom vertical brace, and the position control support body is arranged between the second bottom cross brace and the concrete bottom plate, so that the requirements of controlling the verticality of the bottom vertical brace and the external wall template can be met; the template control body is arranged between the bottom vertical support and the outer wall template, so that the position of the outer wall template can be accurately controlled.
(5) According to the invention, the jacking control body and the lifting sling are arranged between the sliding top cross brace and the sliding bottom cross brace, so that the elevation of the sliding top cross brace can be lifted through the jacking control body, and then the sliding bottom cross brace is lifted through the lifting sling, thereby realizing the sliding lifting of the supporting system; the connecting slide block is arranged between the sliding top cross brace and the sliding bottom cross brace and the vertical slide rail, and can be transversely fastened through the chute connecting rib, so that the requirements of vertical sliding lifting and quick fastening can be synchronously met.
Drawings
FIG. 1 is a construction flow chart of a composite single-side formwork system for the basement exterior wall;
FIG. 2 is a schematic view of a layout structure of wale beams;
FIG. 3 is a schematic view of the connection of the pile side hoop plate of FIG. 2 with a support pile;
FIG. 4 is a schematic view of the wale connecting structure of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the connector ferrule of FIG. 4;
FIG. 6 is a schematic diagram of a supporting construction structure of a prefabricated tire mold;
FIG. 7 is a schematic view of the supporting structure of the external wall form at the bottom of the external wall of the basement;
FIG. 8 is a schematic view of a basement exterior wall pouring construction structure;
FIG. 9 is a schematic view of the form retainer of FIG. 8;
figure 10 is a schematic view of the winding ladder of figure 8;
FIG. 11 is a schematic diagram of a basement exterior wall slip formwork construction structure;
fig. 12 is a schematic view of the connection structure of the vertical slide rail and the connecting slider in fig. 11.
Description of reference numerals: 1-supporting a pile; 2-horizontal supporting waist rail; 3-prefabricating a tire mold; 4-pile side hoop plate; 5-connecting an anchor plate; 6-connecting anchor bolts; 7-waist rail hoop; 8-a ferrule connecting rib; 9-beam-end sealing layer; 10-a first connection ferrule; 11-a second connection ferrule; 12-stretching a rib supporting plate; 13-auxiliary lacing wire; 14-prestressed lacing wire; 15-the lacing wire penetrates through the hole; 16-concrete floor; 17-a seam closure layer; 18-a bed plate; 19-water cut-off strip; 20-side plate anchor bars; 21-a bottom plate outer panel; 22-inserting the moulding bed into the groove; 23-a seaming step; 24-a joint water barrier; 25-a water-barrier reinforcement; 26-indwelling lacing wire; 27-recoverable lacing wire; 28-lacing wire limiting plate; 29-a top pressure control body; 30-a tire mold supporting plate; 31-a bottom side support; 32-position control bottom supporting plate; 33-floor anchor bars; 34-a first bottom wale; 35-a second bottom wale; 36-a position-controlled support; 37-basement exterior wall; 38-exterior wall template; 39-connecting the pressing plate; 40-a pressure plate position control bolt; 41-bottom vertical support; 42-template control body; 43- -Embedded Anchor plate; 44-presetting anchor bolts; 45-hanging the steel wire with the inhaul cable; 46-a load-bearing end plate; 47-end plate shim plate; 48-a suspended platform; 49-platform guy; 50-a slider connecting groove; 51-a template limiting body; 52-concrete pouring pipe; 53-perfusion tube limit hoop; 54-irrigation tube through hole; 55-transverse control body; 56-ladder stand rolling machine; 57-winding up the ladder; 58-a poured outer wall; 59-vertical sliding rails; 60-wall connecting bolts; 61-sliding bottom cross brace; 62-sliding top cross brace; 63-connecting the slide block; 64-reinforcing diagonal bracing; 65-transversely supporting the bottom bracing column; 66-jacking control body; 67-cross supporting the bottom supporting plate; 68-a sliding support column; 69-stirrup anchor bars; 70-connecting reinforcing ribs; 71-a hoop slat; 72-ferrule connecting ribs; 73-a ferrule fastening ring; 74-lacing wire anchor bolt; 75-an external bracing cross bar; 76-an external bracing and pressing rod; 77-a pressure lever top transverse plate; 78-stay plate rotating hinge; 79-elastic connecting ribs; 80-rotating hinge of the pressure lever; 81-a pressure bar limiting vertical plate; 82-a pressure lever position control lever; 83-oblique supporting ribs; 84-position control body baffle; 85-ladder climbing lifting ropes; 86-ladder climbing steps; 87-a spacing body side plate; 88-a horizontal plate of the limiting body; 89-limit adjusting rod; 90-limiting side plates; 91-limiting connecting grooves; 92-adjusting rod connecting ribs; 93-limit adjusting bolt; 94-cross brace bottom inclined brace; 95-slide block hanging plate; 96-sliding block transverse bar; 97-lifting slings; 98-waiting to be poured on the outer wall; 99-converting the lifting ring; 100-sling pulling machine; 101-chute connecting ribs; 102-chute ear plate; 103-platform diagonal bracing.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Referring to fig. 1, the construction method of the basement exterior wall composite type unilateral formwork system comprises the following construction steps:
1) construction preparation: constructing a support pile 1, preparing a cross-brace waist rail 2 and a prefabricated moulding bed 3, determining the concrete mixing proportion and the site construction process, and preparing materials and devices required by construction;
2) laying a wale: the pile side hoop plate 4 is firmly connected with a connecting anchor plate 5 inside the supporting pile 1 through a connecting anchor bolt 6; hoisting the wale 2 between the opposite pile side hoop plates 4, and firmly connecting a wale hoop 7 on the outer side of the wale 2 with the pile side hoop plates 4 through hoop connecting ribs 8; a beam end sealing layer 9 is arranged at the longitudinal joint of the wale 2, a first connecting hoop 10 and a second connecting hoop 11 are arranged at the periphery of the longitudinal joint, and a lacing wire supporting plate 12 on the outer side walls of the first connecting hoop 10 and the second connecting hoop 11 is connected through an auxiliary lacing wire 13; penetrating the prestressed lacing wire 14 into the lacing wire penetrating hole 15 of the wale 2, and applying prestress to the wale 2;
3) erecting and constructing a prefabricated tire mold: sequentially arranging a joint sealing layer 17 and a bed mould bottom plate 18 on a concrete bottom plate 16, arranging 2-3 water-intercepting strips 19 between the bed mould bottom plate 18 and the concrete bottom plate 16, and firmly connecting a bottom plate outer side plate 21 on the outer side of the bed mould bottom plate 18 with the concrete bottom plate 16 through side plate anchor bars 20; inserting the bottom end of the prefabricated tire mold 3 into the tire mold inserting groove 22, and arranging a seam water-resisting layer 24 and a water-resisting reinforcement 25 at the vertical and horizontal seam steps 23 of the prefabricated tire mold 3; respectively arranging an indwelling lacing wire 26 and a recoverable lacing wire 27 on the side of the prefabricated mould 3 facing to the basement exterior wall 37 and the side of the prefabricated mould 3 departing from the basement exterior wall 37, and enabling the indwelling lacing wire 26 and the recoverable lacing wire 27 to respectively penetrate through lacing wire limiting plates 28 on the side wall of the prefabricated mould 3; a top pressure control body 29 is arranged between the prefabricated mould 3 and the support pile 1, and the transverse position of the prefabricated mould 3 is limited through a mould supporting plate 30; synchronously applying tension to the indwelling lacing wire 26 and the recoverable lacing wire 27;
4) supporting a formwork at the bottom of the basement outer wall: a bottom side support body 31 and a position control bottom support plate 32 are arranged on the concrete bottom plate 16, and a first bottom cross brace 34 is firmly connected with the concrete bottom plate 16 through a bottom plate anchor bar 33; a position control supporting body 36 is arranged between the second bottom cross brace 35 and the position control bottom supporting plate 32; an outer wall template 38 is arranged on the outer side of the basement outer wall 37, and a connecting pressing plate 39 at the bottom end of the outer wall template 38 is firmly connected with the first bottom cross brace 34 through a pressing plate position control bolt 40; a template control body 42 is arranged between the outer wall template 38 and the bottom vertical support 41;
5) and (3) concrete pouring construction of the basement exterior wall: a built-in anchor plate 43 is preset in the support pile 1, and a preset anchor bolt 44 is arranged on the built-in anchor plate 43 and faces the basement outer wall 37 side; the top end of the support pile 1 is provided with a stay rope hanging rib 45; firmly connecting the bearing end plate 46 with the preset anchor bolts 44, and arranging an end plate backing plate 47 between the bearing end plate 46 and the support pile 1; a suspension platform 48 is arranged on the outer side wall of the bearing end plate 46, a platform stay 49 is arranged between the suspension platform 48 and the stay hanging rib 45, and a platform inclined strut 103 is arranged between the suspension platform 48 and the bearing end plate 46; arranging a prefabricated forming die 3 on the basement outer wall 37 towards the side of the support pile 1, and arranging a die plate limiting body 51 at the top ends of the outer wall die plate 38 and the prefabricated forming die 3; a filling pipe limiting hoop 53 is arranged above the suspension platform 48, the concrete filling pipe 52 sequentially passes through the filling pipe limiting hoop 53, the suspension platform 48 and the filling pipe through hole 54 on the template limiting body 51, and the transverse position of the concrete filling pipe 52 is controlled through a transverse control body 55; the height of the winding-up ladder stand 57 is controlled by the ladder stand winding-pulling machine 56;
6) and (3) sliding formwork construction of the basement outer wall: arranging vertical slide rails 59 on the outer side walls of the poured outer walls 58, and firmly connecting the vertical slide rails 59 with the poured outer walls 58 through wall connecting bolts 60; the vertical slide rail 59 is connected with the sliding bottom cross brace 61 and the sliding top cross brace 62 through a connecting slide block 63, and a reinforcing inclined brace 64 and a connecting slide block 63 connected with the vertical slide rail 59 are arranged on the lower surface of the sliding bottom cross brace 61; a cross-brace bottom bracing column 65 and a jacking control body 66 are arranged on the sliding bottom cross brace 61, and a cross-brace bottom bracing plate 67 is arranged at the top end of the cross-brace bottom bracing column 65; a sliding support column 68 is arranged on the sliding top cross brace 62, a template control body 42 is arranged between the sliding support column 68 and the outer wall template 38, and an inclined support rib 83 is arranged between the sliding support column 68 and the sliding top cross brace 62; a lifting sling 97 is arranged between the sliding top cross brace 62 and the sliding bottom cross brace 61, one end of the lifting sling 97 is firmly connected with the sliding bottom cross brace 61, and the other end of the lifting sling 97 passes through a conversion lifting ring 99 on the lower surface of the sliding top cross brace 62 and is connected with a sling pulling machine 100; after the outer wall formwork 38 is limited to the set position by the formwork control body 42, the concrete pouring construction of the outer wall 98 to be poured is performed.
Referring to fig. 2 to 12, in the composite single-side formwork support system for the basement exterior wall, the cross-brace wale 2 is connected with the pile-side hoop plate 4 through a wale hoop 7; a jacking control body 29 is arranged between the support pile 1 and the prefabricated mould 3, and an indwelling lacing wire 26 and a recoverable lacing wire 27 are respectively arranged at two sides of the prefabricated mould 3; the suspension platform 48 is firmly connected with the support pile 1 through the built-in anchor plate 43, the bearing end plate 46 and the guy cable hanging rib 45, and the top ends of the outer wall template 38 and the prefabricated tire mold 3 are provided with template limiting bodies 51; a first bottom cross brace 34 and a second bottom cross brace 35 are arranged on the outer side of the bottom vertical brace 41, and a template control body 42 is arranged between the bottom vertical brace 41 and the external wall template 38; the jacking control body 66 and the lifting sling 97 are arranged between the sliding top cross brace 62 and the sliding bottom cross brace 61, and the sliding top cross brace 62 and the sliding bottom cross brace 61 are connected with the vertical slide rail 59 through the connecting slide block 63.
The supporting pile 1 adopts a cast-in-situ bored pile with the diameter of 60 cm.
The cross section of the wale 2 is rectangular, the width is 30cm, the height is 40cm, and the wale is formed by pouring concrete material with the strength grade of C35. The inside of stull waist rail 2 is predetermine lacing wire through-hole 15, and the tip sets up connects reinforcing bar 70. The diameter of the lacing wire through hole 15 is 40 mm. The connecting reinforcing ribs 70 are made of steel plates with the thickness of 10mm and the width of 10 cm.
The prefabricated tire mold 3 and the external wall template 38 are both prefabricated by reinforced concrete materials, the thickness of the prefabricated tire mold is 6cm, and the strength grade of concrete is C35.
The pile side hoop plate 4 is formed by rolling a steel plate with the thickness of 2mm, the cross section of the pile side hoop plate is arc-shaped, and the central angle of the pile side hoop plate is 180 degrees.
The connecting anchor plate 5 is formed by rolling a steel plate with the thickness of 10 mm.
The connecting anchor bolt 6 is formed by cutting a screw rod with the diameter of 30 mm.
The wale hoop 7 is formed by rolling a steel plate with the thickness of 2mm, is sleeved on the outer side of the cross-brace wale 2 and is connected with the pile side hoop plate 4 on the outer side of the support pile 1 through a hoop connecting rib 8.
The hoop connecting ribs 8 are formed by combining screws and bolts with the diameters of 30 mm.
The beam-end sealing layer 9 is formed by cutting a rubber plate with the thickness of 1 cm.
The first connection ferrule 10 and the second connection ferrule 11 are each composed of a ferrule strip 71 and a ferrule connecting rib 72. Wherein the hoop ribbon board 71 is made of a steel plate with the thickness of 10 mm; the ferrule connecting rib 72 is made of a rubber plate with a thickness of 10 mm.
The lacing wire supporting plate 12 is formed by rolling a steel plate with the thickness of 10mm and is vertically welded and connected with the hoop ribbon board 71.
The auxiliary lacing wire 13 is composed of a screw rod and a bolt with the diameter of 30 mm.
The prestressed lacing wire 14 adopts prestressed steel bundles with the diameter of 12.7 mm.
The concrete bottom plate 16 is formed by pouring concrete with the strength grade of C30 and has the thickness of 120 mm.
The seam sealing layer 17 is made of a rubber material with a thickness of 10 mm.
The bed mould bottom plate 18 is prefabricated by reinforced concrete materials, the width is 30cm, and the thickness is 15 cm.
The water interception strip 19 is formed by rolling a stainless steel plate with the thickness of 2 mm.
The side plate anchor bars 20 are made of steel bars with a diameter of 32 mm.
The bottom plate outer plate 21 is formed by rolling a steel plate with the thickness of 20 mm.
The depth of the moulding bed insertion groove 22 is 5cm, and the clear width is 6 cm.
The width of the seaming step 23 is 3cm and the height is 1 cm.
The joint water-resisting layer 24 is formed by cutting a rubber sheet with the thickness of 1 mm.
The water-resisting reinforcement 25 is made of water glass which swells when meeting water.
The retained lacing wires 26 and the recoverable lacing wires 27 are both made of twisted steel with the diameter of 25 mm.
The lacing wire limiting plate 28 is made of a steel plate with the thickness of 1mm and is connected with the prefabricated tire mold 3 into a whole in advance.
The jacking pressure retainer 29 consists of a tire mold supporting plate 30, an external supporting cross rod 75, an external supporting compression rod 76 and a compression rod jacking plate 77; wherein the tire mold supporting plate 30 is made of a steel plate with the thickness of 2 mm.
The outer supporting cross bar 75 is formed by rolling a steel pipe with the diameter of 30 mm; the outer supporting and pressing rods 76 are all made of steel pipes with the diameter of 20 mm. The ram tip plate 77 is made of a steel plate having a thickness of 2 mm. The supporting plate rotating hinge 78 and the pressing rod rotating hinge 80 respectively adopt stainless steel rotating hinges with the diameter of 30mm and the diameter of 20 mm.
The bottom side supporting body 31 is composed of a first bottom wale 34, a second bottom wale 35, and a bottom wale 41. The first bottom cross brace 34 and the second bottom cross brace 35 both adopt H-shaped steel with the specification of 100mm multiplied by 6mm multiplied by 8 mm; the bottom vertical support 41 is formed by rolling a steel plate with the thickness of 1mm, and the cross section of the bottom vertical support is rectangular, the length of the bottom vertical support is 20cm, and the width of the bottom vertical support is 5 cm.
The position control bottom supporting plate 32 adopts a precast concrete plate with the thickness of 100 mm.
The bottom plate anchor bars 33 are threaded steel bars with the diameter of 16 mm.
The position control support 36 adopts a 30-ton hydraulic jack.
The basement exterior wall 37 is cast of concrete, with a concrete strength rating of C35.
The connecting pressure plate 39 is made of a steel plate having a thickness of 4 mm.
The pressure plate position control bolt 40 adopts a stainless steel bolt with the diameter of 22 mm.
The template control body 42 is formed by combining a screw rod with the diameter of 22mm and a bolt.
The built-in anchor plate 43 is made of a steel plate with a thickness of 2mm, and has a width of 20cm and a height of 40 cm.
The preset anchor 44 is a bolt sleeve having an inner diameter of 22 mm.
The stay cable hanging rib 45 is formed by rolling a steel plate with the thickness of 10mm, and the height of the stay cable hanging rib is 10 cm.
The bearing end plate 46 is formed by rolling a steel plate with the thickness of 10 mm; the end plate pad 47 is a rubber plate having a thickness of 2 mm.
The suspension platform 48 is rolled from a steel plate with a thickness of 10 mm.
The platform cable 49 uses a prestressed steel strand with a diameter of 12.7 mm.
The vertical slide rail 59 is formed by rolling a steel plate with the thickness of 10mm, has the width of 25cm and the height of 6cm, and is connected with the chute ear plate 102 in a welding mode. The chute ear plate 102 is made of a steel plate with a thickness of 10mm and a width of 20 cm.
The width of the slider coupling groove 50 is 23cm and the height is 4 cm.
The template limiting body 51 consists of a limiting body side plate 87, a limiting body transverse plate 88 and a limiting adjusting rod 89. The limiting body side plate 87, the limiting body transverse plate 88 and the limiting side plate 90 are all made of steel plates with the thickness of 2mm, and the limiting body side plate 87 and the limiting side plate 90 are vertically connected with the limiting body transverse plate 88.
The concrete pouring pipe 52 is a PVC pipe with a diameter of 30 cm.
The filling pipe limiting hoop 53 is formed by rolling a steel plate with the thickness of 1 mm.
The irrigation tube has a diameter of 40cm through the aperture 54.
The transverse control body 55 is formed by combining a screw rod with the diameter of 22mm and a bolt.
The ladder climbing winder 56 employs a 220V electric hoist.
The winding up ladder 57 consists of a ladder lifting rope 85 and ladder steps 86. Wherein the ladder climbing lifting rope 85 adopts a steel wire rope with the diameter of 22 mm. The ladder climbing step 86 is formed by rolling a steel plate with the thickness of 10mm, and the width and the length of the ladder climbing step are 6cm and 50cm respectively.
The concrete strength rating of the poured exterior wall 58 is C35.
The wall connecting bolt 60 is made of steel bars with the diameter of 20 mm.
The sliding bottom cross brace 61 and the sliding top cross brace 62 both adopt H-shaped steel with the specification of 200mm multiplied by 8mm multiplied by 12 mm.
The connecting slide block 63 is composed of a slide block hanging plate 95 and a slide block transverse rib 96 which are perpendicular to each other, wherein the slide block hanging plate 95 and the slide block transverse rib 96 are both formed by rolling steel plates with the thickness of 10 mm.
The reinforcing diagonal brace 64 is made of a steel pipe material with the diameter of 60 mm.
The cross-brace bottom brace 65 is formed by cutting a steel pipe with the diameter of 100mm and the wall thickness of 2 mm.
The jack control body 66 is an oil jack.
The cross-support bottom support plate 67 is made of a steel plate with a thickness of 2 mm.
The sliding support column 68 is cut into pieces with the specification of 100mm multiplied by 6mm multiplied by 8 mm.
The strap anchor 69 is made of steel bar 32mm in diameter.
The hoop fastening ring 73 is rolled from a steel plate having a width of 6cm and a thickness of 2 mm.
The lacing wire anchor bolt 74 is a bolt sleeve with an inner diameter of 22mm, and is connected with the indwelling lacing wire 26 and the recoverable lacing wire 27 through screws.
The resilient connecting ribs 79 are made of a spring material having a diameter of 30 mm.
The vertical limiting plate 81 of the pressure rod is formed by rolling a steel plate with the thickness of 2mm and is vertically welded with the horizontal jacking plate 77 of the pressure rod.
The press rod position control rod 82 is made of steel bars with the diameter of 60 mm.
The diagonal bracing rib 83 is made of a steel pipe with the diameter of 60 mm.
The retainer baffle 84 is made of a steel plate with the thickness of 10mm and is vertically welded with the suspension platform 48.
The limit adjusting rod 89 is made of a screw rod with the diameter of 22 mm. The limit adjusting bolt 93 adopts a bolt with the inner diameter of 22 mm.
The width of the limit connecting groove 91 is 70 mm.
The adjusting rod connecting rib 92 is formed by rolling a steel pipe with the diameter of 30mm, and two ends of the adjusting rod connecting rib are vertically welded with the limiting adjusting rod 89 and the limiting body transverse plate 88.
The cross brace bottom inclined brace 94 is made of a steel pipe material with the diameter of 30 mm.
The lifting sling 97 is a wire rope having a diameter of 30 mm.
The concrete strength rating of the exterior wall 98 to be poured is C35.
The conversion hanging ring 99 is formed by rolling a steel bar with the diameter of 12mm, and the diameter of the conversion hanging ring 99 is 10 cm.
The sling traction machine 100 employs an electric hoist.
The chute connecting rib 101 is composed of a screw rod and a bolt, wherein the diameter of the screw rod is 30 mm.
The platform diagonal brace 103 is made of a steel pipe with the diameter of 60 mm.
Claims (6)
1. The construction method of the basement outer wall composite type unilateral formwork system is characterized in that: the method comprises the following construction steps:
1) construction preparation: constructing a support pile (1), preparing a cross-brace waist rail (2) and a prefabricated moulding bed (3), determining a concrete mixing proportion and an on-site construction process, and preparing materials and devices required by construction;
2) laying a wale: the pile side hoop plate (4) is firmly connected with a connecting anchor plate (5) inside the supporting pile (1) through a connecting anchor bolt (6); hoisting the wale (2) between the opposite pile side hoop plates (4), and firmly connecting a wale hoop (7) on the outer side of the wale (2) with the pile side hoop plates (4) through hoop connecting ribs (8); a beam end sealing layer (9) is arranged at the longitudinal joint of the cross-bracing wale (2), a first connecting hoop (10) and a second connecting hoop (11) are arranged on the periphery of the longitudinal connecting part, and a lacing wire supporting plate (12) on the outer side wall of the first connecting hoop (10) and the second connecting hoop (11) is connected through an auxiliary lacing wire (13); penetrating the prestressed lacing wire (14) into the lacing wire penetrating hole (15) of the wale (2) and applying prestress to the wale (2);
3) erecting and constructing a prefabricated tire mold: a seam sealing layer (17) and a tire mold bottom plate (18) are sequentially arranged on the concrete bottom plate (16), 2-3 water-cutting strips (19) are arranged between the tire mold bottom plate (18) and the concrete bottom plate (16), and a bottom plate outer side plate (21) on the outer side of the tire mold bottom plate (18) is firmly connected with the concrete bottom plate (16) through a side plate anchor bar (20); inserting the bottom end of the prefabricated tire mold (3) into the tire mold inserting groove (22), and arranging a seam water-resisting layer (24) and a water-resisting reinforcement body (25) at the vertical seam step (23) and the horizontal seam step (23) of the prefabricated tire mold (3); respectively arranging an indwelling lacing wire (26) and a recoverable lacing wire (27) on the side of the prefabricated moulding bed (3) facing to the basement outer wall (37) and the side of the prefabricated moulding bed (3) departing from the basement outer wall (37), and enabling the indwelling lacing wire (26) and the recoverable lacing wire (27) to respectively penetrate through lacing wire limiting plates (28) on the side wall of the prefabricated moulding bed (3); a top pressure control body (29) is arranged between the prefabricated mould (3) and the support pile (1), and the transverse position of the prefabricated mould (3) is limited through a mould supporting plate (30); synchronously applying tension to the indwelling lacing wire (26) and the recoverable lacing wire (27);
4) supporting a formwork at the bottom of the basement outer wall: a bottom side support body (31) and a position control bottom support plate (32) are arranged on the concrete bottom plate (16), and a first bottom cross support (34) is firmly connected with the concrete bottom plate (16) through a bottom plate anchor bar (33); a position control supporting body (36) is arranged between the second bottom cross brace (35) and the position control bottom supporting plate (32); an outer wall template (38) is arranged on the outer side of the basement outer wall (37), and a connecting pressing plate (39) at the bottom end of the outer wall template (38) is firmly connected with the first bottom cross brace (34) through a pressing plate position control bolt (40); a template control body (42) is arranged between the outer wall template (38) and the bottom vertical support (41);
5) and (3) concrete pouring construction of the basement exterior wall: a built-in anchor plate (43) is preset in the supporting pile (1), and a preset anchor bolt (44) is arranged on the built-in anchor plate (43) and faces the basement outer wall (37); the top end of the support pile (1) is provided with a guy cable hanging rib (45); the bearing end plate (46) is firmly connected with a preset anchor bolt (44), and an end plate backing plate (47) is arranged between the bearing end plate (46) and the support pile (1); a suspension platform (48) is arranged on the outer side wall of the bearing end plate (46), a platform guy cable (49) is arranged between the suspension platform (48) and a guy cable hanging rib (45), and a platform inclined strut (103) is arranged between the suspension platform (48) and the bearing end plate (46); a prefabricated moulding bed (3) is arranged on the basement outer wall (37) towards the side of the support pile (1), and a template limiting body (51) is arranged at the top ends of the outer wall template (38) and the prefabricated moulding bed (3); a filling pipe limiting hoop (53) is arranged above the suspension platform (48), the concrete filling pipe (52) sequentially passes through the filling pipe limiting hoop (53), the suspension platform (48) and the filling pipe passing hole (54) on the template limiting body (51), and the transverse position of the concrete filling pipe (52) is controlled through a transverse control body (55); the height of the winding and lifting ladder stand (57) is controlled by a ladder stand winding and pulling machine (56);
6) and (3) sliding formwork construction of the basement outer wall: arranging vertical sliding rails (59) on the outer side walls of the poured outer walls (58), and firmly connecting the vertical sliding rails (59) with the poured outer walls (58) through wall connecting bolts (60); the vertical slide rail (59) is connected with the sliding bottom cross brace (61) and the sliding top cross brace (62) through a connecting slide block (63), and a reinforcing inclined brace (64) and a connecting slide block (63) which are connected with the vertical slide rail (59) are arranged on the lower surface of the sliding bottom cross brace (61); a cross-support bottom bracing column (65) and a jacking control body (66) are arranged on the sliding bottom cross brace (61), and a cross-support bottom bracing plate (67) is arranged at the top end of the cross-support bottom bracing column (65); a sliding support column (68) is arranged on the sliding top cross brace (62), a template control body (42) is arranged between the sliding support column (68) and the outer wall template (38), and an oblique support rib (83) is arranged between the sliding support column (68) and the sliding top cross brace (62); a lifting sling (97) is arranged between the sliding top cross brace (62) and the sliding bottom cross brace (61), one end of the lifting sling (97) is firmly connected with the sliding bottom cross brace (61), and the other end of the lifting sling (97) passes through a conversion lifting ring (99) on the lower surface of the sliding top cross brace (62) and is connected with a sling pulling machine (100); and after the external wall template (38) is limited to the set position through the template control body (42), carrying out concrete pouring construction of the external wall (98) to be poured.
2. The construction method of the basement exterior wall composite type unilateral formwork system according to claim 1, characterized in that: step 2), rolling the pile side hoop plates (4) by adopting steel plates, symmetrically arranging the pile side hoop plates (4) at two sides of the cross-brace waist beam (2), enabling the cross sections of the pile side hoop plates (4) to be arc-shaped, enabling central angles to be 90-180 degrees, and arranging hoop plate anchor bars (69) between the pile side hoop plates (4) and the support piles (1); the transverse bracing wale (2) is prefabricated by adopting reinforced concrete materials, a lacing wire through hole (15) is preset in the transverse bracing wale (2), and a connecting reinforcing rib (70) is arranged at the end part of the transverse bracing wale (2); the first connecting hoop (10) and the second connecting hoop (11) are both composed of a hoop batten (71) and a hoop connecting rib (72), and the first connecting hoop (10) and the second connecting hoop (11) are firmly connected with the cross-brace wale (2) through a hoop fastening ring (73); the hoop ribbon boards (71) and the hoop connecting ribs (72) are arranged at intervals; the length of the first connecting hoop (10) on two sides of the longitudinal seam of the wale waist beam (2) is 30-50 cm.
3. The construction method of the basement exterior wall composite type unilateral formwork system according to claim 1, characterized in that: step 3), prefabricating the base plate (18) of the moulding bed by adopting reinforced concrete materials, uniformly arranging base plate outer side plates (21) on the outer side of the base plate at intervals along the length direction, and arranging tie bar anchor bolts (74) and moulding bed inserting grooves (22) on the upper surface of the base plate (18) of the moulding bed; the prefabricated moulding bed (3) is prefabricated by reinforced concrete materials, and seam steps (23) are arranged at the transverse seam and the vertical seam of the prefabricated moulding bed; the waterproof reinforcement (25) adopts cement or water glass which is expanded when meeting water; the joint waterproof layer (24) is formed by cutting a rubber sheet; the top pressure control body (29) mainly comprises a tire mold supporting plate (30), an external support cross rod (75), an external support pressure rod (76) and a pressure rod top transverse plate (77); the tire mold supporting plate (30) is connected with the outer support cross rod (75) through a supporting plate rotating hinge (78); elastic connecting ribs (79) are arranged between the opposite outer supporting cross rods (75), and outer supporting compression rods (76) are arranged between the outer supporting cross rods (75) and compression rod top transverse plates (77); both ends of the external supporting pressure rod (76) are provided with pressure rod rotating hinges (80); the lower surface of the pressure lever top transverse plate (77) is provided with a pressure lever limiting vertical plate (81), and the upper surface of the pressure lever top transverse plate (77) is provided with a pressure lever position control rod (82).
4. The construction method of the basement exterior wall composite type unilateral formwork system according to claim 1, characterized in that: step 4), the bottom side support body (31) mainly comprises a first bottom cross brace (34), a second bottom cross brace (35) and a bottom vertical brace (41), and oblique support ribs (83) are arranged between the bottom vertical brace (41) and the first bottom cross brace (34) and the second bottom cross brace (35); the position control supporting body (36) adopts a hydraulic jack.
5. The construction method of the basement exterior wall composite type unilateral formwork system according to claim 1, characterized in that: step 5), the hanging platform (48) is vertically welded with the bearing end plate (46), the hanging platform (48) is preset with a pouring tube through hole (54), a position control body baffle (84) and a ladder stand rolling and pulling machine (56), and the position control body baffle (84) is connected with a pouring tube limiting hoop (53) through a transverse position control body (55); the ladder climbing and rolling machine (56) rolls and pulls to control the height of the rolling and lifting ladder (57); the winding and lifting ladder stand (57) consists of a ladder stand lifting rope (85) and ladder stand pedals (86), wherein the ladder stand lifting rope (85) adopts a steel wire rope, the ladder stand pedals (86) are formed by rolling a steel plate, and the ladder stand pedals (86) are uniformly distributed at intervals along the length direction of the ladder stand lifting rope (85); the template limiting body (51) mainly comprises a limiting body side plate (87), a limiting body transverse plate (88) and a limiting adjusting rod (89), wherein a perfusion tube penetrating hole (54) is formed in the limiting body transverse plate (88); the limiting body side plate (87) is vertically connected with the limiting body transverse plate (88), two limiting side plates (90) are respectively arranged on two sides of the perfusion tube passing hole (54), and the two opposite limiting side plates (90) are enclosed to form a limiting connecting groove (91); an adjusting rod connecting rib (92) is arranged between the limiting adjusting rod (89) and the limiting body transverse plate (88), and a limiting adjusting bolt (93) is arranged between the opposite limiting adjusting rods (89).
6. The construction method of the basement exterior wall composite type unilateral formwork system according to claim 1, characterized in that: step 6), the cross support bottom support plate (67) is vertically welded with the cross support bottom support column (65), and a cross support bottom inclined support (94) is arranged between the cross support bottom support plate (67) and the cross support bottom support column (65); the connecting sliding block (63) consists of a sliding block hanging plate (95) and a sliding block transverse rib (96) which are perpendicular to each other, and the sliding block hanging plate (95) is embedded into a sliding block connecting groove (50) of the vertical sliding rail (59) and is in anchoring connection through a sliding groove connecting rib (101); the sliding block connecting groove (50) is formed in the vertical sliding rail (59), and the sliding groove lug plates (102) are arranged on the outer side of the vertical sliding rail (59) in a mirror symmetry mode.
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| CN112681749B (en) * | 2020-12-23 | 2022-03-29 | 四川尧顺建设集团有限公司 | Exterior wall scaffold system and construction method |
| CN113931350A (en) * | 2021-10-29 | 2022-01-14 | 中铁三局集团建筑安装工程有限公司 | Construction method of composite light sandwich partition wall |
| CN114352016B (en) * | 2022-01-25 | 2023-04-28 | 杭州江润科技有限公司 | Rear waterproof prefabricated outer wall and construction method thereof |
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