Unilateral formwork combination structure of basement without fertilizer groove

Abstract

The utility model discloses a unilateral formwork combination structure of a basement without a fertilizer groove. The unilateral formwork combination structure comprises a raft plate, a reverse ridge and a cast-in-place wall body. The inner side face of the cast-in-place wall body is covered with a wood formwork, and the bottom end of the wood formwork is fixed to the reverse ridge through a hook bolt; a formwork back ridge is vertically arranged on the side face, away from the cast-in-place wall, of the wood formwork in a full-length mode, a horizontal fixing pipe is arranged on the side face, away from the wood formwork, of the formwork back ridge, and the fixing pipe is fixed to the formwork back ridge through a grabbing base. The grabbing base comprises a U-shaped plate and a single-lug plate arranged on the outer side face of a bottom plate of the U-shaped plate. A plurality of fixing ribs are pre-embedded in the surface of the raft from near to far away from the cast-in-place wall body, and inclined supporting rods are arranged between the fixing ribs and the single lug plates of the grabbing seats. The utility model solves the technical problems that the formwork is inconvenient to support in the narrow construction space of the basement, the slurry leakage risk is high, the length of the inclined support rod is not easy to adjust, the applicability is poor, the waterproof layer of the wall surface or the pile surface is damaged and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of basement external wall formwork, in particular to a single-side formwork combined structure for a basement without a fertilizer trough. Background Art

[0002] In the construction of basement exterior wall formwork support in a narrow site without fertilizer trough, when the outer side of the basement exterior wall uses the support structure as the formwork and the inner side uses the single-side formwork, the following problems will be encountered:

[0003] (1) Due to the small space in the construction site, horizontal traffic organization is difficult; the existing single-sided formwork system is mostly bulky, and the formwork structure (or system) is mostly in the form of aluminum formwork (or steel formwork, plastic formwork, etc.) + steel truss (or tripod) support. This system formwork, support, etc. have a large mass, which is difficult to turn around in the small space of the basement, and the cost is high;

[0004] (2) Since the diagonal brace is a steel pipe, it must be connected and fixed to the back rib of the formwork during installation, and the position accuracy of the embedded support point must be high; there is a high risk of leakage at the bottom of the formwork during concrete pouring, and it is difficult to balance the vertical reaction force of the diagonal brace;

[0005] (3) The existing technology is mostly applicable to walls without protruding wall structures (such as frame columns, etc.), or the protruding wall structures are arranged in a fixed module, and is not applicable to structures with a large variation in the arrangement (or spacing) of the protruding wall structures;

[0006] (4) The traditional technology of using tension bolts will damage the waterproof layer of the wall or pile surface. Utility Model Content

[0007] The purpose of the utility model is to provide a single-side formwork combination structure for a basement without a fertilizer trough, so as to solve the technical problems such as inconvenient formwork in the narrow construction space of the basement, high risk of leakage, difficulty in adjusting the length of the diagonal support rod, poor applicability, and damage to the waterproof layer of the wall or pile surface.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] The utility model provides a single-side formwork composite structure for a fertilizer trough-free basement, comprising a raft, an inverted sill and a cast-in-place wall; the cast-in-place wall is arranged on the top surface of the inverted sill, the inner side surface of the cast-in-place wall is covered with a wooden formwork, the bottom end of the wooden formwork exceeds the bottom surface of the cast-in-place wall and is fixed to the inverted sill through a hook bolt; a side surface of the wooden formwork away from the cast-in-place wall is vertically provided with a formwork back rib, and the formwork back rib is distributed at intervals in the horizontal direction of the wooden formwork; a side surface of the formwork back rib away from the wooden formwork is provided with a horizontal fixing pipe, the fixing pipe is distributed at intervals in the vertical direction of the formwork back rib, and the fixing pipe is fixed to the formwork back rib through a grab seat; the grab seat comprises a U-shaped plate and a single-ear plate arranged on the outer side surface of the bottom plate of the U-shaped plate; a plurality of fixing ribs are pre-buried on the surface of the raft from near to far from the cast-in-place wall, and an oblique brace is arranged between the fixing rib and the single-ear plate of the grab seat; a connecting rod for plugging with the single-ear plate of the grab seat is arranged at the top end of the oblique brace, a double-ear plate for connecting with the fixing rib is arranged at the bottom end of the oblique brace, and an adjusting screw for adjusting the length of the rod body is arranged on the bottom rod body of the oblique brace

[0010] Preferably, the hook head bolt includes a hook portion and a rod portion embedded in the anti-ridge, the rod portion passes through the inner side surface of the anti-ridge and the wooden template and is fixed by a butterfly clip, and a round steel is arranged between the butterfly clip and the wooden template.

[0011] Preferably, a fixing hole is provided in the middle of the bottom plate of the U-shaped plate of the grab seat, and a fixing bolt is inserted into the fixing hole.

[0012] Preferably, the head of the fixing bolt is arranged on the side of the wooden formwork close to the cast-in-place wall, the bolt body of the fixing bolt passes through the wooden formwork and the fixing tube, and the bolt body is threadedly provided with a fixing nut on the side of the wooden formwork away from the cast-in-place wall and the side of the fixing tube away from the cast-in-place wall.

[0013] Preferably, pads for increasing the contact area are provided between the fixing bolt head and the wooden formwork, between the fixing nut and the wooden formwork, and between the fixing nut and the fixing pipe.

[0014] Preferably, the fixing ribs are in the shape of a "X", and the double-ear plates of the diagonal bracing rods are fixed to the fixing ribs by tying with steel bars.

[0015] Preferably, water-stop steel plates are provided in the middle of the top surface and the middle of the bottom surface of the cast-in-place wall.

[0016] The beneficial effects of the utility model are embodied in:

[0017] 1) The utility model provides a single-side formwork combined structure for a fertilizer trough-free basement. The utility model adopts a method of assembling wooden formwork and diagonal bracing rods in parts to effectively reduce the weight of a single piece of material, which is convenient for turnover in a narrow space. By arranging an adjustment screw rod at the bottom of the diagonal bracing rod, the length of the diagonal bracing rod can be fine-tuned to improve flexibility. By arranging a locking bolt at the bottom of the wooden formwork and fixing the formwork with the back rib of the formwork, the problem of easy leakage of slurry at the bottom of the formwork during pouring is solved, and at the same time, the vertical reaction force of the diagonal bracing rod can be balanced, thereby improving the support stability.

[0018] 2) The utility model provides a single-side formwork composite structure for a fertilizer trough-free basement, which solves the problem of fixing the diagonal support rod to the back rib of the formwork by arranging a grab seat at the top of the diagonal support rod. This fixing method, instead of using tension bolts, can achieve fixation without damaging the waterproof layer of the wall or pile surface, and has a strong advantage over traditional support technology.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The main purpose and other advantages of the utility model can be realized and obtained by the solutions particularly pointed out in the description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a side view of the utility model.

[0022] Figure 2 It is a structural diagram of a hook bolt of the utility model.

[0023] Figure 3 It is a structural diagram of a grab seat of the utility model.

[0024] Figure 4 It is a schematic diagram of fixing the fixing bolts and the wooden formwork of the utility model.

[0025] Figure 5 It is a schematic diagram of the formwork of the upper wall of the utility model.

[0026] Figure markings: 1-raft, 2-counter-slope, 3-cast-in-place wall, 4-wooden formwork, 5-hook bolt, 6-formwork back rib, 7-fixing pipe, 8-grip, 9-fixing rib, 10-diagonal brace, 81-U-shaped plate, 82-single-ear plate, 101-connecting rod, 102-double-ear plate, 103-adjusting screw, 11-butterfly clip, 12-round steel, 13-fixing bolt, 14-fixing nut, 15-pad, 16-waterstop steel plate. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is described in detail below through embodiments. The following embodiments are merely exemplary and can only be used to explain and illustrate the technical solution of the present invention, but cannot be interpreted as limiting the technical solution of the present invention.

[0028] Reference Figure 1 In this embodiment, the utility model provides a single-side formwork composite structure of a fertilizer trough-free basement, including a raft 1, an anti-slope 2, and a cast-in-place wall 3; the cast-in-place wall 3 is arranged on the top surface of the anti-slope 2, and a water-stop steel plate 16 is arranged in the middle of the top surface and the middle of the bottom surface of the cast-in-place wall 3. The inner side surface of the cast-in-place wall 3 is covered with a wooden formwork 4, and the bottom end of the wooden formwork 4 exceeds the bottom surface of the cast-in-place wall 3 and is fixed to the anti-slope 2 through a hook bolt 5; the side of the wooden formwork 4 away from the cast-in-place wall 3 is vertically provided with a formwork back rib 6, and the formwork back rib 6 is distributed at intervals in the horizontal direction of the wooden formwork 4; the side of the formwork back rib 6 away from the wooden formwork 4 is provided with a horizontal fixing pipe 7, and the fixing pipe 7 is vertically provided at the template back rib 6 The fixed pipe 7 is fixed on the back rib 6 of the template through a grab seat 8; the grab seat 8 includes a U-shaped plate 81 and a single ear plate 82 arranged on the outer side of the bottom plate of the U-shaped plate 81; a plurality of fixed ribs 9 are pre-buried on the surface of the raft 1 from near to far from the cast-in-place wall 3, and the fixed ribs 9 are in a "X" shape, and an oblique support rod 10 is arranged between the fixed ribs 9 and the single ear plate 82 of the grab seat 8; a connecting rod 101 for plugging with the single ear plate 82 of the grab seat 8 is arranged at the top of the oblique support rod 10, and a double ear plate 102 for connecting with the fixed rib 9 is arranged at the bottom of the oblique support rod 10, and the double ear plate 102 and the fixed rib 9 are fixed by steel bar binding, and an adjusting screw 103 for adjusting the length of the rod body is arranged at the bottom rod body of the oblique support rod 10.

[0029] Reference Figure 2 The hook head bolt 5 includes a hook portion and a rod portion embedded in the anti-ridge 2. The rod portion passes through the inner side of the anti-ridge 2 and the wooden template 4 and is fixed by a butterfly clip 11. A round steel 12 is arranged between the butterfly clip 11 and the wooden template 4.

[0030] Reference Figure 3 A fixing hole 83 is arranged in the middle of the bottom plate of the U-shaped plate 81 of the grab seat 8, and a fixing bolt 13 is inserted into the fixing hole 83.

[0031] Reference Figure 4 The head of the fixing bolt 13 is arranged on the side of the wooden formwork 4 close to the cast-in-place wall 3, the bolt body of the fixing bolt 13 passes through the wooden formwork 4 and the fixing pipe 7, and the bolt body is threadedly provided with a fixing nut 14 on the side of the wooden formwork 4 away from the cast-in-place wall 3 and on the side of the fixing pipe 7 away from the cast-in-place wall 3; a pad 15 for increasing the contact area is arranged between the head of the fixing bolt 13 and the wooden formwork 4, between the fixing nut 14 and the wooden formwork 4, and between the fixing nut 14 and the fixing pipe 7.

[0032] Further, when the utility model is used: first, a plurality of diagonal bracing points, namely, a "X"-shaped fixing rib 9, are embedded on the raft 1, a hook bolt 5 is embedded on the anti-sill 2 of the outer wall, the wall is matched with the mold, and the diagonal bracing rod 10 and related accessories are processed; then the wooden formwork 4 is installed and the back rib 6 of the formwork is fixed, and the bottom of the wooden formwork 4 is fixed with the round steel 12 and the butterfly card 11 in combination with the hook bolt 5 to prevent the bottom from leaking; the diagonal bracing rod 10 is installed, and the double ear plate 102 at the bottom of the diagonal bracing rod 10 is tied and fixed with the fixing rib 9 with steel bars, and one fixing rib 9 can be fixed. At the same time, multiple diagonal braces 10 are fixed, and then the fixing bolts 13 and fixing nuts 14 are used to fix the grab seat 8 to the template back rib 6 and the fixing tube 7. Finally, the verticality of the wooden template 4 is adjusted by adjusting the length of the adjusting screw 103; finally, the concrete of the cast-in-place wall 3 is inspected and poured; after the concrete meets the inspection requirements, the above operations are repeated on the top surface of the wall to support and pour the upper wall. The lateral pressure of the concrete on the template is effectively reduced by the segmented pouring method, which greatly improves the safety of concrete pouring.

[0033] Further, refer to Figure 5 This embodiment also includes an upper wall section, which is cast on the top surface of the cast-in-place wall 3. The upper wall section and the basement roof are cast together. When the upper wall section is supported by formwork, the hook bolt 5 needs to be pre-buried inside the cast-in-place wall 3, and the above operations are repeated to perform formwork and concrete pouring operations.

[0034] Furthermore, the wooden formwork 4 adopts a 15mm thick plate, the fixed pipe 7 adopts a 60*40*2.5 square steel, the fixed rib 9 adopts a φ20 steel bar, the pad 15 adopts a 100*100*2 plate, the formwork back rib 6 adopts a 40*90 wooden beam, the fixing bolt 13 adopts a M12*16 full-thread bolt, and the fixing nut 14 adopts an M12 nut.

[0035] The above description is only a preferred specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that a technician familiar with the technical field thinks of within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A single-side formwork composite structure for a basement without a fertilizer tank, characterized by: It comprises a raft slab (1), an anti-ridge (2), and a cast-in-place wall (3); the cast-in-place wall (3) is arranged on the top surface of the anti-ridge (2), the inner side surface of the cast-in-place wall (3) is covered with a wooden formwork (4), the bottom end of the wooden formwork (4) exceeds the bottom surface of the cast-in-place wall (3) and is fixed to the anti-ridge (2) through a hook bolt (5); A template back rib (6) is vertically arranged on the side of the wooden template (4) away from the cast-in-place wall (3), and the template back rib (6) is arranged at intervals in the horizontal direction of the wooden template (4); a horizontal fixing tube (7) is arranged on the side of the template back rib (6) away from the wooden template (4), and the fixing tube (7) is vertically arranged at intervals on the template back rib (6), and the fixing tube (7) is fixed to the template back rib (6) by a gripping seat (8); The gripping seat (8) comprises a U-shaped plate (81) and a single ear plate (82) arranged on the outer side of the bottom plate of the U-shaped plate (81); A plurality of fixing bars (9) are pre-buried on the surface of the raft slab (1) from near to far from the cast-in-place wall (3), and a diagonal brace (10) is arranged between the fixing bars (9) and the single ear plate (82) of the gripping seat (8); The top end of the diagonal brace (10) is provided with a connecting rod (101) for plugging into a single-ear plate (82) of a gripping seat (8), the bottom end of the diagonal brace (10) is provided with a double-ear plate (102) for connecting to a fixing rib (9), and the bottom rod body of the diagonal brace (10) is provided with an adjusting screw rod (103) for adjusting the rod body length.

2. A single-side formwork composite structure for a basement without fertilizer tank as claimed in claim 1, characterized in that: The hook head bolt (5) comprises a hook portion and a rod portion embedded in the anti-ridge (2); the rod portion passes through the inner side of the anti-ridge (2) and the wooden template (4) and is fixed by a butterfly clamp (11); and a round steel (12) is arranged between the butterfly clamp (11) and the wooden template (4).

3. The single-side formwork composite structure of a basement without fertilizer tank as claimed in claim 1, characterized in that: A fixing hole (83) is provided in the middle of the bottom plate of the U-shaped plate (81) of the gripping seat (8), and a fixing bolt (13) is inserted into the fixing hole (83).

4. A single-side formwork composite structure for a basement without a fertilizer tank as claimed in claim 3, characterized in that: The head of the fixing bolt (13) is arranged on a side of the wooden formwork (4) close to the cast-in-place wall (3); the bolt body of the fixing bolt (13) passes through the wooden formwork (4) and the fixing pipe (7); and the bolt body is threadedly provided with a fixing nut (14) on a side of the wooden formwork (4) away from the cast-in-place wall (3) and on a side of the fixing pipe (7) away from the cast-in-place wall (3).

5. A single-side formwork composite structure for a basement without a fertilizer tank as claimed in claim 4, characterized in that: Pads (15) for increasing the contact area are provided between the head of the fixing bolt (13) and the wooden template (4), between the fixing nut (14) and the wooden template (4), and between the fixing nut (14) and the fixing pipe (7).

6. The single-side formwork composite structure for a basement without a fertilizer tank as claimed in claim 1, characterized in that: The fixing rib (9) is in the shape of a "X", and the double ear plate (102) of the diagonal brace (10) and the fixing rib (9) are fixed by steel bar binding.

7. The single-side formwork composite structure for a basement without a fertilizer tank as claimed in claim 1, characterized in that: Waterstop steel plates (16) are provided at the middle of the top surface and the middle of the bottom surface of the cast-in-place wall (3).

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