CN113882423A - Special-shaped foundation stereotyped template and construction method thereof - Google Patents
Special-shaped foundation stereotyped template and construction method thereof Download PDFInfo
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- CN113882423A CN113882423A CN202111273934.9A CN202111273934A CN113882423A CN 113882423 A CN113882423 A CN 113882423A CN 202111273934 A CN202111273934 A CN 202111273934A CN 113882423 A CN113882423 A CN 113882423A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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Abstract
The invention provides a special-shaped foundation regularization template and a construction method thereof.A counter-force strut is stabilized by a ballast bag, and the upper surface of a foundation bearing platform is hydraulically scoured and roughened by a water jet; the position of the supporting transverse plate is controlled through the transverse plate positioning body and the supporting column sliding groove, the position of the vertical rib positioning plate is controlled through the vertical plate positioning bolt, and the steel bar limiting grooves with the same number as the steel bar cage vertical ribs are arranged on the transverse rib positioning plate, the vertical rib positioning plate and the limiting groove connecting plate; the vertical and horizontal positions of the foundation reinforcement cage are controlled by a vertical adjusting bolt and a horizontal adjusting bolt respectively; the transverse position of the base side die is limited through the transverse control body and the connecting falcon plate, and the transverse position of the side plate of the groove die is controlled through the side die adjusting body and the inner plate positioning bolt; through the vertical plate adjusting body, the side mold adjusting body and the inner plate positioning bolt, static force dismantling of the foundation side mold and the groove mold side plate is achieved. The invention can reduce the construction difficulty, improve the binding and positioning precision of the reinforcement cage and improve the construction quality of the template.
Description
Technical Field
The invention relates to a special-shaped foundation formwork project, in particular to a special-shaped foundation stereotyped formwork construction method capable of reducing the difficulty of binding and positioning a reinforcement cage and improving the formwork erecting and dismantling construction quality.
Background
In recent years, with the high-speed development of economy in China, more and more industrial buildings are built, and special-shaped foundations are adopted at the bottom ends of section steel columns. During construction of the special-shaped foundation, the problems of installation and positioning of a reinforcement cage, accurate layout of a foundation template, reduction of construction difficulty and the like are often solved.
In the prior art, a construction method of a special-shaped foundation formwork is provided, which is characterized in that: the wood formwork comprises wood formworks, corner connecting pieces, battens, steel pipes, connecting rods and short angle steel baffles, wherein the corner connecting pieces comprise soft rubber belts and two steel plate belts, the two steel plate belts are arranged on the upper ends of the soft rubber belts respectively, the wood formworks are connected through the corner connecting pieces to form a closed basic peripheral formwork, the connecting rods are arranged between the wood formworks and the opposite corner connecting pieces, battens are arranged on the outer sides of the wood formworks and used for enhancing the strength and rigidity of the wood formworks, two steel pipes and a single steel pipe are respectively arranged on two sides and the middle of the battens along the vertical direction, the connecting rods are connected with the single steel pipes and used for controlling the overall deformation and bearing the upper supporting jacking force, the lower parts of the basic peripheral formwork and the short angle steel baffles are arranged on concrete cushion layers and used for limiting the formworks and bearing the lower supporting jacking force. The technology has simple structure, can reduce the construction cost to a certain extent, but has improvement points in the aspects of improving the precision of reinforcement cage binding and positioning, improving the quality of formwork erection and dismantling construction and the like.
In view of this, in order to improve the construction quality of the shaped foundation engineering and reduce the formwork supporting difficulty, the invention provides a shaped foundation formwork construction method capable of improving the binding and positioning accuracy of a foundation reinforcement cage, reducing the surface treatment difficulty of a foundation supporting plate and reducing the positioning difficulty of the foundation reinforcement cage.
Disclosure of Invention
The invention aims to provide the special-shaped foundation finalized template construction method which can reduce the construction difficulty, improve the binding and positioning precision of a reinforcement cage and improve the construction quality of a template.
In order to achieve the above purpose, the technical scheme provides: the construction method of the shaped template of the special-shaped foundation comprises the following construction steps:
1) construction preparation: excavating grooves in foundation soil to perform concrete pouring construction of a foundation bearing platform, and presetting embedded connecting ribs in the foundation bearing platform; preparing materials and devices required by construction;
2) surface treatment of a foundation bearing platform: when the strength of the concrete of the basic bearing platform reaches 50% -70% of the design strength, a counter-force support frame and a closed cord fabric are arranged on the basic bearing platform, and the height of a ring pipe support rib and the height of a water supply ring pipe are limited through a water supply support pipe connected with the counter-force support frame; flushing water or slurry into the pressure-weight bag through a pressure grouting pipe, flushing water into the closed bag through a bag water filling pipe through external water supply equipment, supplying water to a water supply ring pipe through the external water supply equipment, flushing water to an area formed by enclosing of the pressure-weight bag through a water jet nozzle, and performing hydraulic flushing and roughening on the upper surface of the foundation bearing platform;
3) binding a foundation reinforcement cage: two sets of support supporting plates with mirror images opposite are respectively arranged on two sides of the embedded connecting rib, and support supporting columns are vertically welded on the upper surfaces of the support supporting plates; arranging a vertical plate positioning bolt and a column side supporting plate on the side of the support supporting column facing the foundation steel reinforcement cage, and arranging a transverse plate positioning body on the upper surface of the column side supporting plate; a supporting transverse plate is arranged between two transverse plate positioning bodies which are opposite in mirror image, a vertical rib positioning plate is arranged at the other end of a vertical plate positioning bolt at the same side of the foundation reinforcement cage, and two ends of the supporting transverse plate are respectively connected with a support column sliding groove on a support column through a sliding connecting body; the bottom end of a vertical rib of the reinforcement cage is firmly connected with the embedded connecting rib, the spatial position of the vertical rib of the reinforcement cage is limited by the vertical rib positioning plate and a reinforcement limiting groove on the limiting groove connecting plate, and fastening force is applied to the vertical rib positioning plate and the limiting groove connecting plate by a clamping bolt; the heights of the supporting transverse plate and the transverse rib positioning plate are adjusted through the transverse plate positioning body, the spatial position of the groove reinforcement cage is limited through the transverse rib positioning plate and the reinforcement limiting grooves on the limiting groove connecting plate, and fastening force is applied to the transverse rib positioning plate and the limiting groove connecting plate through the clamping bolt;
4) fixing a foundation reinforcement cage: a bracket bottom plate with an annular plane is arranged on the outer side of the foundation steel reinforcement cage, 4 bracket upright posts are uniformly arranged on the bracket bottom plate at intervals, a supporting strip plate is arranged at the top end of the mirror image opposite to the bracket upright posts, and a post top connecting plate is arranged at the joint of the supporting strip plate and the bracket upright posts; arranging an adjusting bolt supporting plate on the upper surface of the supporting batten, enabling the top end of the vertical adjusting bolt to penetrate through the supporting batten and then be fixed through an adjusting bolt hanging plate, arranging a transverse adjusting bolt between the adjusting bolt hanging plate and the adjusting bolt supporting plate, and enabling the other end of the vertical adjusting bolt to be connected with a transverse steel bar at the top of the groove steel reinforcement cage through a hanging connecting hoop;
5) pouring special-shaped foundation concrete: 2-4 transverse control bodies are arranged on the side, facing the foundation reinforcement cage, of the strut stand column, are connected with the connecting falcon plate through a connecting vertical plate, and a vertical plate adjusting body is arranged between the connecting vertical plate and the strut bottom plate; firstly, the transverse position of the connection falcon plate is adjusted through the transverse position control body, then the side die angle plates and the side die straight plates of the foundation side die are firmly connected with the connection falcon plate through the connection wedge falcon, and then the connected connection falcon plates are firmly connected through the falcon plate connecting ribs and the falcon plate anchor nails; an inner supporting box body is arranged on the box body positioning rod, a groove die bottom plate is arranged at the bottom end of the box body positioning rod, and the top end of the box body positioning rod penetrates through the supporting strip plate and then is connected with a box body positioning bolt; a side mold aligning body connected with the groove mold straight plate is arranged on the inner support box body, and an inner plate positioning bolt connected with the inner connecting plate is arranged on the inner support box body; firstly, controlling the elevation of a bottom plate of a slot die through a box body position adjusting bolt, adjusting the plane position of a connecting inner plate through an inner plate positioning bolt, enabling slot die angle plates of slot die side plates and the connecting inner plate to be firmly connected through connecting wedges and tenons, then applying jacking force to a slot die straight plate through a side die position adjusting body, pressing the slot die straight plate between two slot die angle plates, and enabling a position control connecting plate on the side wall of the slot die straight plate to be attached and connected with the slot die angle plates; adopting external concrete pouring equipment to carry out concrete pouring maintenance construction on the special-shaped foundation;
6) dismantling the special-shaped foundation formwork: after the concrete strength of the special-shaped foundation reaches 70% -80% of the design strength, sequentially removing the foundation side mold and the groove mold side plate; when the foundation side die is disassembled, firstly removing the constraint of the hawk plate anchor and the hawk plate connecting rib on the connecting hawk plate, and then applying upward jacking force to the connecting vertical plate and the connecting hawk plate through the vertical plate adjusting body to remove the constraint of the connecting hawk plate on the foundation side die; when the side plates of the groove die are disassembled and constructed, transverse pulling force is applied to the straight plate of the groove die through the side die positioning body firstly, so that the straight plate of the groove die is separated from the angle plate of the groove die, pulling force is applied to the connecting inner plate and the angle plate of the groove die through the inner plate positioning bolt, the angle plate of the groove die is separated from the inner side wall of the special-shaped foundation, and then pulling force is applied to the bottom plate of the groove die through the box body positioning rod.
In another embodiment, the special-shaped foundation finalized formwork constructed according to the construction method is provided.
The present invention has the following features and advantageous effects
(1) According to the invention, the counter-force support frame and the closed curtain cloth are arranged on the basic bearing platform, the counter-force support frame is stabilized by the weight pressing bag, the treatment range is controlled by the closed bag, and then the hydraulic scouring and roughening are carried out on the upper surface of the basic bearing platform by the water jet nozzle, so that the difficulty of surface treatment of the basic supporting plate is reduced, and the treatment quality is improved.
(2) The position of the supporting transverse plate is controlled by the transverse plate positioning body and the supporting column sliding groove, and the position of the vertical rib positioning plate is controlled by the vertical plate positioning bolt; set up the reinforcing bar spacing groove the same with reinforcing bar cage vertical reinforcement quantity on horizontal muscle locating plate, perpendicular muscle locating plate and spacing groove link board, promoted the precision of basic reinforcing bar cage ligature location.
(3) According to the invention, the vertical position of the foundation reinforcement cage is controlled by the vertical adjusting bolt, and the transverse position of the foundation reinforcement cage is controlled by the transverse adjusting bolt, so that the combined fixation of the foundation reinforcement cage is realized, and the difficulty in positioning the foundation reinforcement cage is reduced.
(4) According to the side mold positioning device, the transverse position of the foundation side mold is limited through the transverse control body and the connecting falcon plate, and the transverse position of the side plate of the groove mold is controlled through the side mold adjusting body and the inner plate positioning bolt, so that the positioning difficulty of the foundation side mold and the side plate of the groove mold is reduced; meanwhile, the connecting wedge tenons connected with the wedge tenon connecting grooves are arranged on the foundation side die and the groove die angle plates, so that the connecting strength of the template structure is improved.
(5) According to the invention, the vertical plate adjusting body applies upward jacking force to the connecting vertical plate and the connecting falcon plate, so that the constraint of the connecting falcon plate on the base side die is removed; the lateral mold aligning body applies transverse tension to the groove mold straight plate, and the inner plate positioning bolt applies tension to the connecting inner plate and the groove mold angle plate, so that the groove mold angle plate is separated from the inner side wall of the special-shaped foundation, and static force dismantling of the foundation lateral mold and the groove mold lateral plate is realized.
Drawings
FIG. 1 is a flow chart of the construction of the shaped form of the special-shaped foundation of the invention;
FIG. 2 is a schematic view of a surface treatment structure of the base platform of FIG. 1;
FIG. 3 is a schematic view illustrating a structure of the connection between the ring pipe support rib and the water supply ring pipe of FIG. 2;
FIG. 4 is a schematic diagram of a construction structure for binding the foundation reinforcement cage of FIG. 1;
FIG. 5 is a schematic view of the positioning structure of the vertical reinforcement bars of the reinforcement cage of FIG. 4;
FIG. 6 is a schematic view of a concrete pouring construction of the special-shaped foundation of FIG. 1;
FIG. 7 is a schematic view of the hanging connector hoop of FIG. 6;
fig. 8 is a schematic cross-sectional view of a side plate portion of the slot die of fig. 6.
In the figure: 1-a foundation soil body; 2-a foundation cap; 3-embedded connecting ribs; 4-counter-force strut; 5-sealing the cord fabric; 6-water supply supporting pipe; 7-ring pipe bracing rib; 8-water supply ring pipe; 9-pressing a grouting pipe; 10-weight bag; 11-a water filling pipe of the bag; 12-closing the pouch; 13-water jet; 14-a support strut; 15-a support brace; 16-a foundation reinforcement cage; 17-a vertical plate positioning bolt; 18-column side plates; 19-horizontal plate aligning body; 20-supporting a transverse plate; 21-vertical rib positioning plate; 22-a slip connection; 23-pillar chutes; 24-vertical reinforcement of the reinforcement cage; 25-a limit groove connecting plate; 26-reinforcing steel bar limiting grooves; 27-a clamping bolt; 28-transverse rib positioning plate; 29-a grooved reinforcement cage; 30-a main reinforcement cage; 31-transverse reinforcement of a reinforcement cage; 32-a bracket bottom plate; 33-strut upright; 34-supporting the lath; 35-column top connecting plate; 36-adjusting the bolt supporting plate; 37-vertical adjusting bolt; 38-adjusting bolt hanging plate; 39-lateral adjustment pin; 40-hanging the connecting hoop; 41-transverse steel bars; 42-box position-adjusting rod; 43-connecting hoop plate; 44-a rotational bearing; 45-connecting the hoop bolt; 46-a lateral control body; 47-connecting the riser; 48-connecting falcon plates; 49-riser adjustment; 50-base side form; 51-side gusset plate; 52-side die plate; 53-connecting wedgetenons; 54-falcon panel tie bars; 55-falcon plate anchors; 56-internal supporting box body; 57-slot die floor; 58-box body position adjusting bolt; 59-slot die straight plate; 60-side form aligning body; 61-connecting the inner plates; 62-inner plate positioning bolt; 63-side plates of the slot die; 64-slot die angle plates; 65-position control connecting plate; 66-a profiled base; 67-wedge falcon connecting grooves; 68-seam bevels; 69-supporting the sliding plate; 70-sliding plate chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Technical requirements of on-site hoisting construction, technical requirements of profile steel rolling and welding construction, technical requirements of reinforcement cage binding construction, technical requirements of concrete pouring construction and the like are not repeated in the embodiment, and the embodiment of the method related to the invention is mainly explained.
Fig. 1 is a flow chart of the construction of the shaped formwork for the special-shaped foundation of the invention, and referring to fig. 1, the construction method of the shaped formwork for the special-shaped foundation comprises the following construction steps:
1) construction preparation: digging grooves in a foundation soil body (1), performing concrete pouring construction on a foundation bearing platform (2), and presetting embedded connecting ribs (3) in the foundation bearing platform (2); preparing materials and devices required by construction; in some embodiments, concrete is poured into a groove dug in a foundation soil body (1) to form a foundation bearing platform (2), the embedded connecting ribs (3) are arranged perpendicular to the foundation bearing platform (2), and the embedded connecting ribs (3) are arranged to protrude out of the plane of the foundation bearing platform (2).
2) Surface treatment of a foundation bearing platform: when the concrete strength of the basic bearing platform (2) reaches 50% -70% of the design strength, a reaction support frame (4) and a closed curtain cloth (5) are arranged on the basic bearing platform (2), and the heights of a ring pipe support rib (7) and a water supply ring pipe (8) are limited through a water supply support pipe (6) connected with the reaction support frame (4); in some embodiments, the cross-sectional shapes of the containment cord (5) and the reaction force brackets (4) are the same. The closed curtain cloth (5) is arranged on the inner side of the reaction force support frame (4), and the ring pipe support rib (7) and the water supply ring pipe (8) are arranged on the inner side of the closed curtain cloth (5). The water supply bracing tube (6) is vertically connected with and penetrates through the counter-force bracing frame (4), the bottom surface of the water supply bracing tube (6) is vertically connected with the ring tube bracing rib (7), the lower surface of the ring tube bracing rib (7) is provided with water supply ring tubes (8) at intervals, the side of the lower surface of the ring tube bracing rib (7) is provided with a bag water filling tube (11), and the bottom of the bag water filling tube (11) is provided with a closed bag (12) arranged on the base bearing platform (2); flushing water or slurry into a ballast bag (10) arranged on a counter-force support frame (4) through a ballast grouting pipe (9), flushing water into a closed bag (12) through a bag water filling pipe (11) through external water supply equipment, supplying water into a water supply ring pipe (8) through the external water supply equipment, flushing water with an area formed by enclosing the ballast bag (10) through a water jet nozzle (13) of the water supply ring pipe (8), and performing hydraulic flushing and roughening on the upper surface of a basic bearing platform (2);
in some embodiments, a water jet (13) is arranged on one side of the water supply ring pipe (8) facing the base bearing platform (2), the water supply ring pipe (8) is symmetrically arranged at intervals relative to the ring pipe supporting ribs (7), and the water supply ring pipe (8) is arranged between the bag flushing pipes (11) on two sides.
3) Binding a foundation reinforcement cage: two groups of support supporting plates (14) which are opposite in mirror image are respectively arranged on two sides of the embedded connecting rib (3), the support supporting plates (14) are arranged on the base bearing platform (2), support supporting columns (15) are vertically arranged on the upper surfaces of the support supporting plates (14), and in some embodiments, the support supporting plates (14) are connected with the support supporting columns (15) in a welding mode; vertical plate positioning bolts (17) and column side supporting plates (18) are arranged on the side, facing the embedded connecting rib (3), of the support supporting column (15) at intervals from bottom to top, transverse plate positioning bodies (19) are arranged on the upper surface of the column side supporting plates (18), supporting transverse plates (20) are arranged between the two transverse plate positioning bodies (19) with opposite mirror images, vertical rib positioning plates (21) are arranged at the other ends of the vertical plate positioning bolts (17) on the same side of the embedded connecting rib (3), and the vertical rib positioning plates (21) are connected with vertically arranged limiting groove connecting plates (25) through clamping bolts (27); the supporting transverse plate (20) is arranged in a sliding mode relative to the supporting columns (15), and in some embodiments, two ends of the supporting transverse plate (20) are connected with supporting column sliding grooves (23) on the supporting columns (15) through sliding connecting bodies (22) respectively; a transverse rib positioning plate (28) is arranged on the supporting transverse plate (20), and the transverse rib positioning plate (28) is connected with a transversely arranged limiting groove connecting plate (25) through a clamping bolt (27);
when a main body steel reinforcement cage (30) is bound, the bottom end of a steel reinforcement cage vertical rib (24) is firmly connected with the embedded connecting rib (3), the spatial position of the steel reinforcement cage vertical rib (24) is limited through a vertical rib positioning plate (21) and a steel reinforcement limiting groove (26) on a limiting groove connecting plate (25), and fastening force is applied to the vertical rib positioning plate (21) and the limiting groove connecting plate (25) through a clamping bolt (27); when the groove reinforcement cage (29) is bound, the heights of the supporting transverse plate (20) and the transverse reinforcement positioning plate (28) are adjusted through the transverse plate adjusting body (19), the spatial position of the groove reinforcement cage (29) is limited through the transverse reinforcement positioning plate (28) and the reinforcement limiting groove (26) on the limiting groove connecting plate (25), fastening force is applied to the transverse reinforcement positioning plate (28) and the limiting groove connecting plate (25) through the clamping bolt (27), and the main body reinforcement cage (30) and the groove reinforcement cage (29) form a basic reinforcement cage (16);
4) fixing a foundation reinforcement cage: a bracket bottom plate (32) with an annular plane is arranged on the outer side of the foundation reinforcement cage (16), the bracket bottom plate (32) is arranged on the upper surface of the foundation bearing platform (2), at least two bracket upright columns (33) are arranged on the bracket bottom plate (32) at intervals, in some implementations, 4 bracket upright columns (33) are uniformly arranged at intervals, a supporting strip plate (34) is arranged at the top end of the mirror image opposite to the bracket upright columns (33), and a column top connecting plate (35) is arranged at the joint of the supporting strip plate (34) and the bracket upright columns (33); in some embodiments, the brace bar plate (34) is higher than the position of the foundation reinforcement cage (16), and the foundation reinforcement cage (16) is wrapped in a space formed by the brace bar plate (34) and the strut upright (33). An adjusting bolt supporting plate (36) is arranged on the upper surface of the supporting lath (34), the adjusting bolt supporting plate (36) is connected with a vertical adjusting bolt (37) which is vertically arranged and penetrates through the supporting lath (34), and the other end of the vertical adjusting bolt (37) is connected with a transverse steel bar (41) at the top of the groove steel reinforcement cage (29).
Specifically, the top end of a vertical adjusting bolt (37) penetrates through a support slat (34) and then is fixed through an adjusting bolt hanging plate (38) and an adjusting bolt supporting plate (36), a transverse adjusting bolt (39) is arranged between the adjusting bolt hanging plate (38) and the adjusting bolt supporting plate (36), and the other end of the vertical adjusting bolt (37) is provided with a hanging connecting hoop (40), so that the other end of the vertical adjusting bolt (37) is connected with a transverse steel bar (41) at the top of a groove steel bar cage (29) through the hanging connecting hoop (40);
5) pouring special-shaped foundation concrete: 2-4 transverse control bodies (46) are arranged on the side, facing the foundation reinforcement cage (16), of the support frame upright post (33), in some embodiments, the transverse control bodies (46) are transversely arranged, the transverse control bodies (46) are connected with a connecting falcon plate (48) through connecting vertical plates (47), in some embodiments, the transverse control bodies (46) are connected with the connecting vertical plates (47) which are vertically arranged, the other ends of the connecting vertical plates (47) are connected with the connecting falcon plate (48), and a vertical plate adjusting body (49) is arranged between the connecting vertical plates (47) and the support frame bottom plate (32);
firstly, the transverse position of a connecting falcon plate (48) is adjusted through a transverse control body (46), then a side die angle plate (51) and a side die straight plate (52) of a foundation side die (50) are fixedly connected with the connecting falcon plate (48) through a connecting wedge falcon (53), and then the connected connecting falcon plates (48) are fixedly connected with a falcon plate anchor plate (55) through falcon plate connecting ribs (54); in the embodiment of this scheme, be equipped with the groove of placing connection wedge falcon (53) on connection falcon (48), side form (50) meet through the mode that the joint matches between side form scute (51) and the side form straight board (52) including the side form scute (51) and the side form straight board (52) that meet, the side of basis side form (55) is equipped with connection wedge falcon (53), connect wedge falcon (53) and insert the corresponding position on connecting falcon (48) and realize both's concatenation. Arrange in and connect between the connection falcon board (48) of equidirectional through falcon board splice bar (54) and falcon board anchor (55) and be connected, wherein be equipped with the hole that passes falcon board anchor (55) on falcon board splice bar (54), falcon board splice bar (54) are arranged in the avris of arbitrary connection falcon board (48) perpendicularly and are pressed and put the surface at another connection falcon board (48), and falcon board anchor (55) pass falcon board splice bar (54) and realize the concatenation of two connection falcon boards (48) that meet.
An inner supporting box body (56) is arranged on the box body positioning rod (42), a groove die bottom plate (57) is arranged at the bottom end of the box body positioning rod (42), the top end of the box body positioning rod (42) penetrates through the supporting ribbon board (34) and then is connected with a box body positioning bolt (58), and the box body positioning bolt (58) is arranged on the upper surface of the supporting ribbon board (34); a side mould aligning body (60) connected with a groove mould straight plate (59) arranged in the concave position of the groove steel reinforcement cage (29) is arranged on the inner supporting box body (56), the groove mould straight plate (59) is vertically arranged at the side of a groove mould bottom plate (57),
an inner plate positioning bolt (62) connected with the inner connecting plate (61) is arranged on the inner support box body (56); firstly, the elevation of a bottom plate (57) of a groove die is controlled through a box body positioning bolt (58), then the plane position of a connecting inner plate (61) is adjusted through the inner plate positioning bolt (62), the side of an inner support box body (56) is connected with the inner plate positioning bolt (62), the other side of the inner plate positioning bolt (62) is connected with the connecting inner plate (61), a groove die angle plate (64) of a groove die side plate (63) is firmly connected with the connecting inner plate (61) through a connecting wedge tenon (53), a side die positioning body (60) is connected with a groove die straight plate (59), then, a jacking force is applied to the groove die straight plate (59) through the side die positioning body (60), the groove die straight plate (59) is pressed between the groove die angle plates (64) on the two sides, and a position control connecting plate (65) on the side wall of the groove die straight plate (59) is attached and connected with the groove die angle plate (64); adopting external concrete pouring equipment to carry out concrete pouring maintenance construction on the special-shaped foundation (66);
6) dismantling the special-shaped foundation formwork: after the concrete strength of the special-shaped foundation (66) reaches 70% -80% of the design strength, sequentially removing the foundation side mold (50) and the groove mold side plate (63); when the foundation side die (50) is disassembled and constructed, firstly, the limitation of the falcon plate anchor bolts (55) and the falcon plate connecting ribs (54) on the connecting falcon plate (48) is removed, then, the vertical plate adjusting body (49) applies upward jacking force on the connecting vertical plate (47) and the connecting falcon plate (48), and the limitation of the connecting falcon plate (48) on the foundation side die (50) is removed; when the side plate (63) of the groove die is disassembled, transverse pulling force is firstly applied to the straight plate (59) of the groove die through the side die positioning body (60) to enable the straight plate (59) of the groove die to be separated from the angle plate (64) of the groove die, then pulling force is applied to the connecting inner plate (61) and the angle plate (64) of the groove die through the inner plate positioning bolt (62) to enable the angle plate (64) of the groove die to be separated from the inner side wall of the special-shaped foundation (66), and then pulling force is applied to the bottom plate (57) of the groove die through the box body positioning rod (42).
Step 2) the counter-force strut (4) is formed by rolling a steel plate, has a pi-shaped cross section and is sleeved above the embedded connecting rib (3); the closed curtain cloth (5) is formed by cutting a rubber sheet or a geomembrane, is adhered and connected with the counterforce support frame (4), and forms a closed space outside the embedded connecting ribs (3); the ring pipe supporting ribs (7) are formed by rolling steel plates or section steel and are welded in a cross shape, the upper surfaces of the ring pipe supporting ribs (7) are welded with the water supply supporting pipes (6), the lower surfaces of the ring pipe supporting ribs are welded with the water supply ring pipes (8), the water supply ring pipes (8) are made of steel pipes and are communicated with the water supply supporting pipes (6) through pipelines, and the sides of the water supply ring pipes (8) facing the basic bearing platform (2) are provided with water knife nozzles (13); the water supply supporting pipe (6) is formed by rolling a steel pipe and is welded with the counter-force support frame (4); the closed bag (12) and the weight bag (10) are both sewed into a ring-shaped closed cavity by adopting a rubber sheet or a geomembrane.
Step 3), rolling the support brace (15) by adopting a steel plate, and arranging a brace sliding chute (23) with a T-shaped cross section on the side of the support brace (15) facing the foundation reinforcement cage (16); the sliding connector (22) is formed by rolling a steel plate, the cross section of the sliding connector is T-shaped, and the sliding connector (22) is placed in the strut sliding groove (23) to realize sliding; the transverse plate adjusting body (19) adopts a hydraulic jack, and the transverse plate adjusting body (19) is arranged in the vertical direction; the vertical plate position adjusting bolt (17) comprises a screw rod and a nut, the fastening directions of the screw rods on the two sides of the nut are opposite, and the vertical plate position adjusting bolt (17) is arranged horizontally.
Basis steel reinforcement cage (16) include main part steel reinforcement cage (30) and recess steel reinforcement cage (29), and wherein main part steel reinforcement cage (30) are in the below of recess steel reinforcement cage (29), and main part steel reinforcement cage (30) and recess steel reinforcement cage (29) all include that steel reinforcement cage erects muscle (24) and horizontal muscle (31) of steel reinforcement cage.
The vertical rib positioning plate (21), the transverse rib positioning plate (28) and the limiting groove connecting plate (25) are formed by rolling steel plates, steel bar limiting grooves (26) are respectively welded on the vertical rib positioning plate (21), the transverse rib positioning plate (28) and the limiting groove connecting plate (25) according to the space requirement of the vertical ribs (24) of the steel reinforcement cage, and the size of each steel bar limiting groove (26) is matched with the size of each steel reinforcement cage vertical rib (24) so as to be used for clamping the steel reinforcement cage vertical ribs (24); the steel bar limiting groove (26) is formed by rolling a steel plate, the cross section of the steel bar limiting groove is arc-shaped, the inner diameter of the steel bar limiting groove is 5-10 mm larger than the outer diameter of the vertical ribs (24) of the steel bar cage, and the number of the vertical ribs is the same as that of the vertical ribs (24) of the steel bar cage.
Step 4), the supporting strip plate (34) is formed by rolling a steel plate, and a hole for a vertical adjusting bolt (37) and a box body position adjusting rod (42) to penetrate through is preset on the supporting strip plate (34); the hanging connecting hoop (40) comprises connecting hoop plates (43), a rotating bearing (44) and connecting hoop bolts (45), so that one ends of the two connecting hoop plates (43) which are opposite in mirror image are connected through the rotating bearing (44), and the other ends of the two connecting hoop plates are connected through the connecting hoop bolts (45).
Step 5), the connecting falcon plate (48) is made of steel plates or wood plates and is in a strip shape, and wedge falcon connecting grooves (67) connected with the connecting wedge falcons (53) are preset in the connecting falcon plate (48); the vertical plate adjusting body (49) adopts a hydraulic jack; the base side die (50) comprises a side die angle plate (51) and a side die straight plate (52), the side die angle plate (51) and the side die straight plate (52) are made of steel plates or wood plates or alloy plates of the same material, a connecting step is arranged at the joint of the side die angle plate (51) and the side die straight plate (52), and the side die angle plate (51) is arranged at four corners of the special-shaped base (66); the groove die side plates (63) comprise groove die angle plates (64) and groove die straight plates (59), steel plates, wood plates or alloy plates made of the same materials are adopted, seam inclined planes (68) are arranged at the joints of the groove die angle plates (64) and the groove die straight plates (59), the groove die angle plates (64) are arranged at four corners of a special-shaped foundation (66), the groove die straight plates (59) are arranged in a mirror symmetry mode, and supporting sliding plates (69) with L-shaped cross sections are arranged at the bottom ends of the groove dies; the connecting wedge falcon (53) is arranged on the side wall of the base side die (50) and the groove die angle plate (64) in a segmented mode; the transverse control body (46) and the side mold adjusting body (60) both adopt hydraulic jacks; the inner plate positioning bolt (62) comprises a nut and a screw rod, and the fastening directions of the screw rods on the two sides of the nut are opposite; the inner supporting box body (56) is rolled into a cuboid by adopting a steel plate, and the top end of the inner supporting box body is welded with the box body positioning rod (42); the box body positioning rod (42) is formed by rolling a steel pipe, and the top end of the box body positioning rod is provided with a thread connected with a box body positioning bolt (58); the groove die bottom plate (57) is formed by rolling a steel plate, and the upper part of the groove die bottom plate is provided with a sliding plate sliding groove (70) for supporting the sliding plate (69) to slide.
Fig. 2 is a schematic view of a surface treatment structure of a foundation cap of fig. 1, fig. 3 is a schematic view of a connection structure of a ring pipe bracing rib and a water supply ring pipe of fig. 2, fig. 4 is a schematic view of a reinforcement cage binding construction structure of fig. 1, fig. 5 is a schematic view of a reinforcement cage vertical rib positioning structure of fig. 4, fig. 6 is a schematic view of a special-shaped foundation concrete pouring construction structure of fig. 1, fig. 7 is a schematic view of a hanging connection hoop of fig. 6, and fig. 8 is a schematic view of a cross section of a side plate part of a slot die of fig. 6. Referring to fig. 2 to 8, in the construction method of the shaped template of the special-shaped foundation, a counter-force support frame (4) is stabilized through a ballast bag (10), and the upper surface of a foundation bearing platform (2) is subjected to hydraulic scouring and roughening through a water jet nozzle (13); the position of a supporting transverse plate (20) is controlled through a transverse plate positioning body (19) and a supporting column sliding groove (23), the position of a vertical rib positioning plate (21) is controlled through a vertical plate positioning bolt (17), and reinforcing steel bar limiting grooves (26) with the same number as that of the reinforcing cage vertical ribs (24) are arranged on a transverse rib positioning plate (28), the vertical rib positioning plate (21) and a limiting groove connecting plate (25); the vertical and horizontal positions of the foundation reinforcement cage (16) are controlled by a vertical adjusting bolt (37) and a horizontal adjusting bolt (39) respectively; the transverse position of a basic side die (50) is limited through a transverse control body (46) and a connecting falcon plate (48), and the transverse position of a groove die side plate (63) is controlled through a side die adjusting body (60) and an inner plate positioning bolt (62); static force dismantling of the foundation side die (50) and the groove die side plate (63) is achieved through the vertical plate adjusting body (49), the side die adjusting body (60) and the inner plate positioning bolt (62).
In a specific embodiment of the present disclosure, the specific structure and model of the workpiece are as follows:
the foundation soil body (1) is cohesive soil in a hard plastic state.
The foundation bearing platform (2) is formed by pouring concrete with the strength grade of C30, the height is 50cm, the length is 1.5m, and the width is 1.5 m.
The embedded connecting ribs (3) are formed by rolling deformed steel bars with the diameter of 25 mm.
The reaction strut (4) is formed by rolling a steel plate with the thickness of 10mm, and the cross section of the reaction strut is in a pi shape.
The closed curtain cloth (5) is formed by cutting a geomembrane with the thickness of 1mm and is stuck and connected with the counter-force support frame.
The water supply supporting pipe (6) is formed by rolling a steel pipe with the diameter of 60 mm.
The ring pipe bracing rib (7) is formed by rolling a steel plate with the thickness of 10mm and is welded into a cross shape.
The water supply ring pipe (8) is a steel pipe with the diameter of 60mm, is communicated with the water supply supporting pipe (6) through a pipeline, and is provided with a water jet nozzle (13) facing the side of the basic bearing platform (2); the water jet (13) adopts a high-pressure water jet.
The pressure grouting pipe (9) adopts a steel pipe with the diameter of 60 mm.
The closed bag (12) and the weight bag (10) are all sewed into an annular closed cavity by adopting geomembranes with the thickness of 2 mm.
The water filling pipe (11) of the bag adopts a rubber pipe with the diameter of 30 mm.
The support bracing plate (14) is made of a steel plate with the thickness of 10mm and is vertically welded and connected with the support brace (15).
The support brace (15) is formed by rolling a steel plate with the thickness of 10mm, the height is 100cm, the width is 15cm, and a brace sliding groove (23) with a T-shaped cross section is arranged on the side, facing the foundation reinforcement cage (16), of the support brace (15); the length of the stay chute (23) is 60 cm.
The foundation reinforcement cage (16) comprises a main reinforcement cage (30) and a groove reinforcement cage (29), wherein the main reinforcement cage (30) is arranged below the groove reinforcement cage (29) and comprises reinforcement cage vertical ribs (24) and reinforcement cage transverse ribs (31); the vertical reinforcement (24) of the reinforcement cage adopts a threaded reinforcement with the diameter of 25mm, and the transverse reinforcement (31) of the reinforcement cage adopts a threaded reinforcement with the diameter of 10 mm.
The vertical plate positioning bolt (17) comprises a screw rod and a nut, the diameter of the screw rod is 30mm, and the fastening directions of the screw rods on the two sides of the nut are opposite.
The column side supporting plate (18) is formed by rolling a steel plate with the thickness of 10mm, is vertically welded with the support supporting column (15), and is vertically welded with the transverse plate adjusting body (19) on the upper surface.
The transverse plate adjusting bodies (19) adopt hydraulic jacks, the transverse plate adjusting bodies (19) opposite to the mirror images are provided with supporting transverse plates (20), the supporting transverse plates (20) are formed by rolling steel plates with the thickness of 10mm, and the width of the supporting transverse plates is 5 cm.
The vertical rib positioning plate (21), the transverse rib positioning plate (28) and the limiting groove connecting plate (25) are formed by rolling steel plates with the thickness of 2mm, and steel bar limiting grooves (26) are respectively welded on the vertical rib positioning plate (21), the transverse rib positioning plate (28) and the limiting groove connecting plate (25) according to the space requirement of the vertical ribs (24) of the steel bar cage; reinforcing bar spacing groove (26) adopt the steel sheet rolling of thickness 2mm to form, and the cross section is arc, and the internal diameter is 5mm than reinforcing cage erects muscle (24) external diameter big, and quantity is the same with reinforcing cage erects muscle (24) quantity.
The sliding connector (22) is formed by rolling a steel plate with the thickness of 10mm, the cross section of the sliding connector is T-shaped, and the width of the sliding connector is 10 cm.
The clamping bolt (27) adopts a bolt with the specification of M20 multiplied by 2.5 multiplied by 400.
The bracket bottom plate (32) is formed by rolling a steel plate with the thickness of 10mm, the plane is annular, the width is 50cm, 4 bracket upright posts (33) are uniformly arranged on the bracket bottom plate (32) at intervals, a supporting strip plate (34) is arranged at the top end of the mirror image opposite to the bracket upright posts (33), and a post top connecting plate (35) is arranged at the joint of the supporting strip plate (34) and the bracket upright posts (33); the strut upright post (33) is made of H-shaped steel with the specification of 200 multiplied by 8 multiplied by 12, and the post top connecting plate (35) is rolled by a steel plate with the thickness of 2 mm.
The supporting strip plate (34) is formed by rolling a steel plate with the thickness of 10mm and the width of 30 cm; a hole for a vertical adjusting bolt (37) and a box body positioning rod (42) to penetrate through is preset on the supporting strip plate (34); the vertical adjusting bolt (37) is formed by combining a high-strength screw rod with the diameter of 30mm and a nut, the fastening directions of the screw rods on the two sides of the nut are opposite, and the box body adjusting rod (42) is formed by rolling a steel pipe with the diameter of 60 mm.
The adjusting bolt supporting plate (36) is formed by rolling a steel plate with the thickness of 2 mm.
The adjusting bolt hanging plate (38) is rolled into a box shape by adopting a steel plate with the thickness of 10 mm.
The transverse adjusting bolt (39) is formed by combining a high-strength screw rod with the diameter of 30mm and a nut, and the fastening directions of the screw rods on the two sides of the nut are opposite.
The hanging connecting hoop (40) comprises connecting hoop plates (43), a rotating bearing (44) and connecting hoop bolts (45), so that one ends of the two connecting hoop plates (43) which are opposite in a mirror image are connected through the rotating bearing (44), and the other ends of the two connecting hoop plates are connected through the connecting hoop bolts (45); the connecting hoop plate (43) is formed by rolling a steel plate with the thickness of 2mm and is semicircular, the rotating bearing (44) is a stainless steel rotating bearing, and the connecting hoop bolt (45) is a screw rod with the diameter of 20mm and is fastened through a nut matched with the screw rod.
And the transverse steel bars (41) and the vertical steel bars (24) of the steel reinforcement cage are integrally rolled.
The transverse control body (46) and the side die adjusting body (60) both adopt hydraulic jacks.
The connecting vertical plate (47) is formed by rolling a steel plate with the thickness of 10mm and is vertically welded and connected with the connecting falcon plate (48).
The connecting falcon plate (48) is formed by rolling a steel plate with the thickness of 10mm and is in a long strip shape, and a wedge falcon connecting groove (67) connected with the connecting wedge falcon (53) is preset on the connecting falcon plate (48); the connecting wedge falcon (53) is arranged on the side wall of the base side mould (50) and the groove mould angle plate (64) in a segmented mode, is trapezoidal and is 5mm high; the wedge falcon connecting groove (67) is trapezoidal, the upper bottom width is 25mm, the lower bottom width is 50mm, and the height is 6 mm.
The vertical plate adjusting body (49) adopts a hydraulic jack.
The base side die (50) comprises a side die angle plate (51) and a side die straight plate (52), which are rolled by alloy with the thickness of 10mm, a connecting step is arranged at the joint of the side die angle plate (51) and the side die straight plate (52), the height of the step is 5mm, and the side die angle plate (51) is arranged at four corners of the special-shaped base (66); the special-shaped foundation (66) is poured by concrete material with the strength grade of C35.
The falcon plate connecting ribs (54) are formed by rolling steel plates with the thickness of 5 mm.
Falcon plate anchors (55) are bolts of 20mm diameter.
The inner supporting box body (56) is formed by rolling a steel plate with the thickness of 10mm, is a cuboid, has the width of 20cm and the height of 40cm, and is welded and connected with the box body position adjusting rod (42) at the top end.
The groove die bottom plate (57) is formed by rolling a steel plate with the thickness of 6mm, and the upper part of the groove die bottom plate is provided with a sliding plate sliding groove (70) for a supporting sliding plate (69) to slide; the supporting sliding plate (69) is formed by rolling a steel plate with the thickness of 10mm, and the sliding plate sliding groove (70) is 10mm in depth and 5cm in length.
The box body position adjusting bolt (58) adopts a nut matched with the box body position adjusting rod (42).
The inner connecting plate (61) is formed by rolling a steel plate with the thickness of 10 mm.
The inner plate positioning bolt (62) comprises a screw rod and a nut with the diameter of 30mm, and the fastening directions of the screw rods on the two sides of the nut are opposite.
The groove die side plate (63) comprises a groove die angle plate (64) and a groove die straight plate (59) which are rolled by steel plates with the thickness of 6mm, and a joint inclined plane (68) is arranged at the joint of the groove die angle plate (64) and the groove die straight plate (59); the seam bevel (68) is inclined at 45 degrees.
The position control connecting plate (65) is formed by rolling a steel plate with the thickness of 2mm and is connected with the groove die straight plate (59) in a welding mode.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. The construction method of the special-shaped foundation finalized template is characterized by comprising the following steps of:
1) construction preparation: digging grooves in a foundation soil body (1) to perform concrete pouring construction of a foundation bearing platform (2), and presetting embedded connecting ribs (3) in the foundation bearing platform (2); preparing materials and devices required by construction;
2) surface treatment of a foundation bearing platform: when the concrete strength of the foundation bearing platform (2) reaches 50-70% of the designed strength, the water supply support structure is characterized in that a counter-force support frame (4) and a closed curtain cloth (5) are arranged on a basic bearing platform (2), a water supply support pipe (6) is vertically connected with and penetrates through the counter-force support frame (4), the bottom surface of the water supply support pipe (6) is vertically connected with a ring pipe support rib (7), water supply ring pipes (8) are arranged on the lower surface of the ring pipe support rib (7) at intervals, a bag water filling pipe (11) is arranged on the side of the lower surface of the ring pipe support rib (7), a closed bag (12) arranged on the basic bearing platform (2) is arranged at the bottom of the bag water filling pipe (11), water or slurry is firstly flushed into a pressure-weight bag (10) arranged on the counter-force support frame (4) through a pressure grouting pipe (9), and then the water is flushed into the closed bag (12) through the bag water filling pipe (11), then flushing the area formed by enclosing the weight pressing bag (10) through a water supply ring pipe (8);
3) binding a foundation reinforcement cage: two groups of support supporting plates (14) which are opposite in mirror image are respectively arranged at two sides of the embedded connecting rib (3), support supporting columns (15) are vertically arranged on the upper surfaces of the support supporting plates (14), a vertical plate positioning bolt (17) and a column side supporting plate (18) are arranged on the side of the support supporting column (15) facing the embedded connecting rib (3), a transverse plate positioning body (19) is arranged on the upper surface of the column side supporting plate (18), a supporting transverse plate (20) is arranged between two transverse plate aligning bodies (19) which are opposite in mirror image, the supporting transverse plate (20) is arranged in a sliding way relative to the support pillar (15), a vertical rib positioning plate (21) is arranged at the other end of the vertical plate positioning bolt (17) at the same side of the embedded connecting rib (3), the vertical rib positioning plate (21) is connected with a vertically arranged limiting groove connecting plate (25) through a clamping bolt (27), a transverse rib positioning plate (28) is arranged on the supporting transverse plate (20), and the transverse rib positioning plate (28) is connected with a transversely arranged limiting groove connecting plate (25) through the clamping bolt (27);
when the main body reinforcement cage (30) is bound, the bottom end of a reinforcement cage vertical rib (24) is firmly connected with the embedded connecting rib (3), and the spatial position of the reinforcement cage vertical rib (24) is limited through a vertical rib positioning plate (21) and a reinforcement limiting groove (26) on a limiting groove connecting plate (25); when the groove reinforcement cage (29) is bound, the heights of the supporting transverse plate (20) and the transverse rib positioning plate (28) are adjusted through the transverse plate adjusting body (19), and the spatial position of the groove reinforcement cage (29) is limited through the transverse rib positioning plate (28) and the reinforcement limiting groove (26) on the limiting groove connecting plate (25); the main reinforcement cage (30) and the groove reinforcement cage (29) form a foundation reinforcement cage (16);
4) fixing a foundation reinforcement cage: a bracket bottom plate (32) with a plane in a ring shape is arranged on the outer side of the foundation reinforcement cage (16), at least two bracket upright posts (33) are arranged on the bracket bottom plate (32) at intervals, a supporting strip plate (34) is arranged at the top end of the bracket upright post (33) opposite to the mirror image, an adjusting bolt supporting plate (36) is arranged on the upper surface of the supporting strip plate (34), the adjusting bolt supporting plate (36) is connected with a vertical adjusting bolt (37) which is vertically arranged and penetrates through the supporting strip plate (34), the other end of the vertical adjusting bolt (37) is connected with a transverse reinforcement (41) at the top of the groove reinforcement cage (29),
5) pouring special-shaped foundation concrete: arranging a transverse control body (46) on the side, facing the foundation reinforcement cage (16), of a support frame upright post (33), so that the transverse control body (46) is connected with a connecting falcon plate (48), adjusting the transverse position of the connecting falcon plate (48) through the transverse control body (46), sequentially connecting a side mould angle plate (51) and a side mould straight plate (52) of a foundation side mould (50) with the connecting falcon plate (48), and then connecting the connected connecting falcon plates (48); an inner supporting box body (56) is arranged on a box body positioning rod (42), a groove die bottom plate (57) is arranged at the bottom end of the box body positioning rod (42), the top end of the box body positioning rod (42) penetrates through a supporting batten (34) and then is connected with a box body positioning bolt (58) on the supporting batten (34), a side die positioning body (60) connected with a groove die straight plate (59) arranged in a concave position of a groove steel bar cage (29) is arranged on the inner supporting box body (56), an inner plate positioning bolt (62) connected with an inner plate (61) is arranged on the inner supporting box body (56), and the other side of the inner plate positioning bolt (62) is connected with the inner plate (61); firstly, the elevation of a bottom plate (57) of a groove die is controlled by a box body positioning bolt (58), then the plane position of a connecting inner plate (61) is adjusted by an inner plate positioning bolt (62), a groove die angle plate (64) of a groove die side plate (63) is connected with the connecting inner plate (61), a side die positioning body (60) is connected with a groove die straight plate (59), then jacking pressure is applied to the groove die straight plate (59) by the side die positioning body (60), the groove die straight plate (59) is pressed between the groove die angle plates (64) at two sides, and a position control connecting plate (65) on the side wall of the groove die straight plate (59) is attached and connected with the groove die angle plate (64); adopting external concrete pouring equipment to carry out concrete pouring maintenance construction on the special-shaped foundation (66);
6) dismantling the special-shaped foundation formwork: after the concrete strength of the special-shaped foundation (66) reaches 70% -80% of the design strength, sequentially removing the foundation side mold (50) and the groove mold side plate (63); when the foundation side die (50) is disassembled and constructed, firstly, the limitation of the falcon plate anchor bolts (55) and the falcon plate connecting ribs (54) on the connecting falcon plate (48) is removed, then, the vertical plate adjusting body (49) applies upward jacking force on the connecting vertical plate (47) and the connecting falcon plate (48), and the limitation of the connecting falcon plate (48) on the foundation side die (50) is removed; when the side plate (63) of the groove die is disassembled, transverse pulling force is firstly applied to the straight plate (59) of the groove die through the side die positioning body (60) to enable the straight plate (59) of the groove die to be separated from the angle plate (64) of the groove die, then pulling force is applied to the connecting inner plate (61) and the angle plate (64) of the groove die through the inner plate positioning bolt (62) to enable the angle plate (64) of the groove die to be separated from the inner side wall of the special-shaped foundation (66), and then pulling force is applied to the bottom plate (57) of the groove die through the box body positioning rod (42).
2. The construction method of the special-shaped foundation stereotyped template according to claim 1, characterized in that the cross-sectional shapes of the closed curtain cloth (5) and the reaction force support frame (4) are the same, the closed curtain cloth (5) is arranged inside the reaction force support frame (4), and the ring pipe support rib (7) and the water supply ring pipe (8) are arranged inside the closed curtain cloth (5).
3. The construction method of the special-shaped foundation finalized template according to claim 1, characterized in that a water jet (13) is disposed on a surface of the water supply ring pipe (8) facing the foundation bearing platform (2), the water supply ring pipe (8) is symmetrically spaced with respect to the ring pipe supporting ribs (7), and the water supply ring pipe (8) is located between the bag flushing pipes (11) on both sides.
4. The construction method of the special-shaped foundation finalized template according to claim 1, characterized in that two ends of a supporting transverse plate (20) are respectively connected with supporting column sliding grooves (23) on supporting columns (15) of a bracket through sliding connectors (22).
5. The construction method of the special-shaped foundation finalized formwork according to claim 1, characterized in that the supporting lath (34) is higher than the position of the foundation reinforcement cage (16), and the foundation reinforcement cage (16) is wrapped in the space formed by the supporting lath (34) and the supporting frame upright post (33).
6. The construction method of the special-shaped foundation finalized template according to claim 1, characterized in that the top end of the vertical adjusting bolt (37) passes through the supporting lath (34) and then is fixed by the adjusting bolt hanging plate (38) and the adjusting bolt supporting plate (36), a horizontal adjusting bolt (39) is arranged between the adjusting bolt hanging plate (38) and the adjusting bolt supporting plate (36), and the other end of the vertical adjusting bolt (37) is provided with a hanging connecting hoop (40), so that the other end of the vertical adjusting bolt (37) is connected with a horizontal steel bar (41) at the top of the recessed steel reinforcement cage (29) through the hanging connecting hoop (40).
7. The construction method of the special-shaped foundation finalized template according to claim 1, characterized in that the lateral control bodies (46) are connected with the connecting falcon plates (48) through connecting vertical plates (47), and vertical plate adjusting bodies (49) are arranged between the connecting vertical plates (47) and the supporting frame bottom plate (32); the side die angle plates (51) and the side die straight plates (52) are connected with the connecting falcon plates (48) through connecting wedges (53), and the connected falcon plates (48) are connected with the falcon plate anchors (55) through falcon plate connecting ribs (54).
8. The construction method of the special-shaped foundation finalized formwork according to claim 7, characterized in that grooves for placing connecting tenons (53) are formed in the connecting tenons (48), the foundation side forms (50) comprise side form angle plates (51) and side form straight plates (52) which are connected, the side form angle plates (51) and the side form straight plates (52) are connected in a clamping matching mode, the connecting wedge tenons (53) are arranged on the side edges of the foundation side forms (55), the connecting wedge tenons (53) are inserted into corresponding positions on the connecting tenon plates (48) to achieve splicing of the connecting wedge tenons and the connecting tenon plates, and the connecting tenon plates (48) placed in different directions are connected through tenon plate connecting ribs (54) and tenon plate anchors (55).
9. The construction method of the special-shaped foundation finalized template according to claim 1, characterized in that the slot die side plates (63) comprise slot die corner plates (64) and slot die straight plates (59), seam inclined planes (68) are arranged at the joints of the slot die corner plates (64) and the slot die straight plates (59), the slot die corner plates (64) are arranged at four corners of the special-shaped foundation (66), the slot die straight plates (59) are arranged in a mirror symmetry manner, and supporting sliding plates (69) with L-shaped cross sections are arranged at the bottom ends of the slot dies.
10. A shaped form for a special-shaped foundation, characterized in that it is obtained by the construction according to the method of any one of claims 1 to 9.
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| JPH11152759A (en) * | 1997-09-18 | 1999-06-08 | Hiraki Tanimoto | Foundation of columnar structure |
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