CN215670255U - Shrinkage crack control structure for super-long concrete outer wall of basement - Google Patents

Abstract

The utility model provides a shrinkage crack control structure for a super-long concrete outer wall of a basement. The shrinkage crack control structure of the overlong concrete outer wall of the basement comprises a concrete layer; a template; installing a pipe; a support mechanism; a spray drying mechanism; a fixing mechanism; the maintenance mechanism comprises a first straw curtain, hoses, a second straw curtain, a connecting pipe, through holes, a base and a communicating pipe, wherein the second straw curtain is installed at the top end of the concrete layer, the side walls of the second straw curtain and the first straw curtain are respectively and fixedly connected with a plurality of hoses, and the through holes are formed in the side walls of the hoses at equal intervals; the connecting pipe and the base are arranged on the side wall of the second straw curtain, and the connecting pipe is communicated with the hose; the spraying mechanism is clamped in the base, and the communicating pipe is arranged in the base; a connecting mechanism; a reinforcement mechanism; the shrinkage crack control structure of the overlong concrete outer wall of the basement has the advantage of reducing cracks on the surface of the outer wall.

Description

Shrinkage crack control structure for super-long concrete outer wall of basement

Technical Field

The utility model relates to the technical field of a basement ultra-long concrete outer wall, in particular to a shrinkage crack control structure of the basement ultra-long concrete outer wall.

Background

Cracking of an ultra-thick and ultra-long basement outer wall is always a quality defect which is frequently encountered in the construction process of a basement structure and is very difficult to control.

The basement outer wall cracking is mainly cracks formed by concrete surface temperature shrinkage generated by concrete in a cooling stage, most of cracks are penetrating cracks under general conditions, the cracks are vertical cracks with wide top and narrow bottom, and surface water or underground water easily permeates into a wall body along the cracks to corrode wall body reinforcing steel bars and prolong the service life of the wall body.

Therefore, it is necessary to provide a new structure for controlling shrinkage cracks of an ultra-long concrete outer wall of a basement to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing a shrinkage crack control structure of a basement overlong concrete outer wall, which reduces cracks on the surface of the outer wall.

In order to solve the technical problem, the shrinkage crack control structure of the overlong concrete outer wall of the basement provided by the utility model comprises: a concrete layer; the template is fixed on the side wall of the concrete layer; the installation pipe is installed inside the concrete layer; the supporting mechanism is fixed at the top end of the template; the spraying mechanism is clamped at the bottom end of the supporting mechanism; the fixing mechanism is arranged inside the mounting pipe and abuts against the side wall of the template; the maintenance mechanism is arranged on the side wall of the concrete layer and comprises a first straw curtain, a hose, a second straw curtain, a connecting pipe, a through hole, a base and a communicating pipe, the second straw curtain is arranged at the top end of the concrete layer, the side walls of the second straw curtain and the first straw curtain are respectively and fixedly connected with a plurality of hoses, and the through holes are formed in the side walls of the hoses at equal intervals; the connecting pipe and the base are arranged on the side wall of the second straw curtain, and the connecting pipe is communicated with the hose; the spraying mechanism is clamped in the base, the communicating pipe is arranged in the base, and the communicating pipe is communicated with the inside of the connecting pipe; a connecting mechanism mounted at one end of the resulting first and second straw curtains; the reinforcing mechanism is connected with the inside of the installation pipe in a sliding mode, and the reinforcing mechanism abuts against the side wall of the first straw curtain and the side wall of the second straw curtain.

Preferably, the fixing mechanism comprises a screw rod, a fixing pipe and a sealing sleeve, the screw rod and the fixing pipe are connected with the inside of the mounting pipe in a sliding mode, and the screw rod is in threaded connection with the fixing pipe; the screw rod with the one end of fixed pipe is installed respectively the seal cover, the seal cover is contradicted the lateral wall of template.

Preferably, the supporting mechanism comprises a supporting rod and a supporting sleeve, the top end of the template is clamped with the supporting rod, and the supporting sleeve is installed on the side wall of the supporting rod.

Preferably, the spraying mechanism comprises a water pipe and a spray head, the side wall of the spraying mechanism is arc-shaped, the support sleeve is clamped with the base in the water pipe, and the bottom end of the water pipe is provided with a plurality of spray heads.

Preferably, coupling mechanism includes fixed cover, joint, fixed block, support and floater, the one end of hose is connected respectively fixed cover with the joint, connect with threaded connection between the fixed cover, the internally mounted of fixed cover the support, the internally mounted of joint is inside to be the infundibulate the fixed block, the inside block of fixed block the floater, the fixed block with the inside sliding connection that connects the support, support sliding connection the lateral wall of floater.

Preferably, the two ends of the hose positioned on the side wall of the second straw mat are respectively provided with the joint, the two ends of the hose positioned on the side wall of the first straw mat are respectively provided with the joint and the fixed sleeve, and the fixed sleeve is rotatably connected with the hose.

Preferably, the reinforcing mechanism comprises a limiting pipe, a convex block, a reinforcing rod and a connecting sleeve, the inner part of the mounting pipe is slidably connected with the I-shaped limiting pipe, the mounting side wall of the limiting pipe is provided with the arc-shaped convex block, the convex block abuts against the side walls of the first straw curtain, the hose and the second straw curtain, one end of the limiting pipe is fixedly connected with the reinforcing rod, and the reinforcing rod penetrates through the first straw curtain and the second straw curtain; the connecting sleeve is in threaded connection with the reinforcing rod, and the connecting sleeve abuts against the side walls of the first straw mat and the second straw mat.

Compared with the prior art, the shrinkage crack control structure of the overlong concrete outer wall of the basement has the following beneficial effects:

the utility model provides a shrinkage crack control structure of an overlong concrete outer wall of a basement, wherein after a concrete layer is poured, a spraying mechanism is fixed above the concrete layer by using a supporting mechanism, and the spraying mechanism is opened to spray water from the inside of the spraying mechanism to the surface of the concrete layer so as to maintain the surface of the concrete layer; after seven days of pouring, removing a group of templates on the uppermost layer of the concrete layer, covering the second straw mat on the surface of the concrete layer, placing the spraying mechanism into the base, enabling water sprayed by the spraying mechanism to enter the hose through the communicating pipe in the base, enabling the water to flow downwards in the hose and be sprayed to the surfaces of the second straw mat and the concrete layer through the through hole in the side wall of the hose, preventing the water on the surface of the concrete layer from being rapidly evaporated by the second straw mat, moisturizing the surface of the concrete layer, covering the surface of the concrete layer by the second straw mat, preserving heat of the concrete layer and reducing cracks of the concrete layer; removing one layer of the template every five days, fixing the first straw mat below the second straw mat by using the connecting mechanism after the template is removed, so that the leaked concrete is covered by the first straw mat again, and allowing water in the second straw mat to enter the hose inside the first straw mat through the connecting mechanism, so that the water is sprayed on the surface of the concrete through the hose, thereby preserving heat and moisture of the concrete with the template removed; the surface of the concrete layer is formed by removing the formworks layer by layer, when the formworks are not removed, the fixing mechanism extrudes the formworks to enable the formworks to clamp the concrete layer all the time in a maintenance period, so that the tension generated by the surface of the concrete and the lateral frictional resistance generated by the fastening force generated by the fixing mechanism can be utilized to resist a part of contraction force, and the occurrence of surface cracks is reduced.

Drawings

FIG. 1 is a schematic structural view of a shrinkage crack control structure of an ultralong concrete outer wall of a basement according to the present invention;

FIG. 2 is a schematic view of the concrete layer structure shown in FIG. 1;

FIG. 3 is an enlarged view of the structure at A shown in FIG. 1;

FIG. 4 is a front view of the maintenance mechanism shown in FIG. 2;

FIG. 5 is an enlarged view of the structure shown at C in FIG. 2;

fig. 6 is an enlarged view of the structure at B in fig. 2.

Reference numbers in the figures: 1. the concrete curing device comprises a template, 2, a concrete layer, 3, a fixing mechanism, 31, a screw rod, 32, a fixing pipe, 33, a sealing sleeve, 4, a curing mechanism, 41, a first straw mat, 42, a hose, 43, a second straw mat, 44, a connecting pipe, 45, a through hole, 46, a base, 47, a communicating pipe, 5, a mounting pipe, 6, a supporting mechanism, 61, a supporting rod, 62, a supporting sleeve, 7, a spraying mechanism, 71, a water pipe, 72, a spray head, 8, a connecting mechanism, 81, a fixing sleeve, 82, a joint, 83, a fixing block, 84, a support, 85, a floating ball, 9, a reinforcing mechanism, 91, a limiting pipe, 92, a bump, 93, a reinforcing rod, 94 and a connecting sleeve.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a shrinkage crack control structure of an ultra-long concrete outer wall of a basement according to the present invention; FIG. 2 is a schematic view of the concrete layer structure shown in FIG. 1; FIG. 3 is an enlarged view of the structure at A shown in FIG. 1; FIG. 4 is a front view of the maintenance mechanism shown in FIG. 2; FIG. 5 is an enlarged view of the structure shown at C in FIG. 2; fig. 6 is an enlarged view of the structure at B in fig. 2. The utility model provides a basement overlength concrete outer wall shrinkage crack control structure which characterized in that includes: a concrete layer 2; the formwork 1 is fixed on the side wall of the concrete layer 2; the installation pipe 5 is installed inside the concrete layer 2; the supporting mechanism 6 is fixed at the top end of the template 1; the spraying mechanism 7 is used for clamping the bottom end of the supporting mechanism 6 by the spraying mechanism 7; the fixing mechanism 3 is installed inside the installation pipe 5, and the fixing mechanism 3 abuts against the side wall of the template 1; the maintenance mechanism 4 is installed on the side wall of the concrete layer 2, the maintenance mechanism 4 comprises a first straw mat 41, a hose 42, a second straw mat 43, a connecting pipe 44, a through hole 45, a base 46 and a communicating pipe 47, the second straw mat 43 is installed at the top end of the concrete layer 2, the side walls of the second straw mat 43 and the first straw mat 41 are respectively and fixedly connected with a plurality of hoses 42, and the through holes 45 are arranged on the side walls of the hoses 42 at equal intervals; the side wall of the second straw curtain 43 is provided with the connecting pipe 44 and the base 46, and the connecting pipe 44 is communicated with the hose 42; the inside of the base 46 is clamped with the spraying mechanism 7, the communicating pipe 47 is installed inside the base 46, and the communicating pipe 47 is communicated with the inside of the connecting pipe 44; a connecting mechanism 8, wherein the connecting mechanism 8 is arranged at one end of the obtained first grass curtain 41 and the second grass curtain 43; reinforcing mechanism 9, reinforcing mechanism 9 sliding connection the inside of installation pipe 5, just reinforcing mechanism 9 conflicts the lateral wall of first grass curtain 41 with second grass curtain 43.

The fixing mechanism 3 comprises a screw rod 31, a fixing pipe 32 and a sealing sleeve 33, the screw rod 31 and the fixing pipe 32 are connected with the inside of the mounting pipe 5 in a sliding mode, and the screw rod 31 is in threaded connection with the fixing pipe 32; the sealing sleeves 33 are respectively installed at one ends of the screw 31 and the fixing tube 32, the sealing sleeves 33 are abutted against the side walls of the formwork 1, when the formwork 1 is installed, the mounting tube 5 is fixed on the surface of a reinforcement cage, the screw 31 penetrates through the formwork 1 and enters the inside of the mounting tube 5, one end of the fixing tube 32 penetrates through the other formwork 1 and enters the inside of the sealing sleeve 33, the screw 31 rotates and enters the inside of the fixing tube 32, the sealing sleeve 33 gradually extrudes the formwork 1 along with the movement of the screw 31, the formwork 1 is tightly attached to the side walls of the mounting tube 5, the formwork 1 is fixed, and concrete is conveniently poured in the formwork 1.

The supporting mechanism 6 comprises a supporting rod 61 and a supporting sleeve 62, the top end of the formwork 1 is clamped with the supporting rod 61, the side wall of the supporting rod 61 is provided with the supporting sleeve 62, the spraying mechanism 7 comprises a water pipe 71 and a spray head 72, the side wall of the supporting sleeve 62 is arc-shaped, the supporting sleeve 62 is clamped with the water pipe 71 in the base 46, the bottom end of the water pipe 71 is provided with a plurality of spray heads 72, so that the supporting rod 61 and the supporting sleeve 62 can improve the supporting effect of the water pipe 71, the water pipe 71 is fixed above the concrete layer 2, water can be sprayed out of the spray head 72 to the surface of the concrete layer 2 conveniently, meanwhile, the water pipe 71 is placed in the base 46, and the water pipe 71 is fixed on the surface of the second grass mat 43.

The connecting mechanism 8 comprises a fixed sleeve 81, a joint 82, a fixed block 83, a support 84 and a floating ball 85, one end of the hose 42 is respectively connected with the fixed sleeve 81 and the joint 82, the joint 82 is in threaded connection with the fixed sleeve 81, the support 84 is installed inside the fixed sleeve 81, the fixed block 83 is funnel-shaped inside the internal installation of the joint 82, the floating ball 85 is clamped inside the fixed block 83, the fixed block 83 is in sliding connection with the support 84 inside the joint 82, the support 84 is in sliding connection with the side wall of the floating ball 85, the joint 82 is respectively installed at two ends of the hose 42 positioned on the side wall of the second straw mat 43, the joint 82 and the fixed sleeve 81 are respectively installed at two ends of the hose 42 positioned on the side wall of the first straw mat 41, the fixed sleeve 81 is in rotating connection with the hose 42, when the first grass curtain 41 needs to be spliced at the bottom end of the second grass curtain 42, the joint 82 of the side wall of the second grass curtain 42 is placed into the fixed sleeve 81 at the top end of the first grass curtain 41, the fixed sleeve 81 is rotated, the fixed sleeve 81 rotates at the top end of the hose 42, the joint 82 continuously enters the inside of the fixed sleeve 81, the bracket 84 inside the fixed sleeve 81 enters the joints 82 and the inside of the fixed block 83, the floating ball 85 moves upwards inside the fixed block 83, the fixed block 83 is opened, water in the hose 42 in the second grass curtain 43 enters the inside of the hose 42 in the first grass curtain 41 through the connecting mechanism 8, and the first grass curtain 41 is fixed below the second grass curtain 43.

The reinforcing mechanism 9 comprises a limiting pipe 91, a convex block 92, a reinforcing rod 93 and a connecting sleeve 94, the inner part of the mounting pipe 5 is slidably connected with the limiting pipe 91 in an I shape, the convex block 92 with an arc-shaped side wall is mounted on the side wall of the limiting pipe 91, the convex block 92 abuts against the side walls of the first straw mat 41, the hose 42 and the second straw mat 43, one end of the limiting pipe 91 is fixedly connected with the reinforcing rod 93, and the reinforcing rod 93 penetrates through the first straw mat 41 and the second straw mat 43; the connecting sleeve 94 is in threaded connection with the reinforcing rod 93, the connecting sleeve 94 abuts against the side walls of the first straw mat 41 and the second straw mat 43, when the first straw mat 41 and the second straw mat 43 are installed, the limiting rod 91 and the reinforcing rod 93 are inserted into the installation pipe 5, when the first straw mat 41 and the second straw mat 43 are fixed on the side wall of the concrete layer 2, the reinforcing rod 93 is held, the reinforcing rod 93 penetrates through the first straw mat 41 or the second straw mat 43, the limiting pipe 91 is pulled to slide in the installation pipe 5, the convex block 92 with the arc-shaped side wall at one end of the limiting pipe 91 abuts against the side wall of the first straw mat 41, the second straw mat 43 or the hose 42, meanwhile, the connecting sleeve 94 is in threaded connection with one end of the reinforcing rod 93, and the connecting sleeve 94 moves towards the side wall of the first straw mat 41 or the second straw mat 43, the connecting sleeve 94 is made to press the side wall of the first straw curtain 41 or the second straw curtain 43, so that the protrusion 92 is tightly attached to the side wall of the first straw curtain 41, the second straw curtain 43 or the hose 42, thereby increasing the stability of the first straw curtain 41 and the second straw curtain 43 in the concrete layer 2 and preventing the first straw curtain 41 and the second straw curtain 43 from falling off the surface of the concrete layer 2.

The working principle of the basement overlength concrete outer wall shrinkage crack control structure provided by the utility model is as follows: when the formwork 1 is installed, the installation pipe 5 is firstly fixed on the surface of a reinforcement cage, the screw 31 penetrates through the formwork 1 and enters the inside of the installation pipe 5, one end of the fixing pipe 32 penetrates through the other formwork 1 and enters the inside of the sealing sleeve 33, the screw 31 is rotated and enters the inside of the fixing pipe 32, the sealing sleeve 33 gradually extrudes the formwork 1 along with the movement of the screw 31, the formwork 1 is tightly attached to the side wall of the installation pipe 5, the formwork 1 is fixed, and then concrete is poured into the formwork 1. Clamping the support rod 61 with the template 1 at the uppermost layer, placing the water pipe 71 into the support sleeve 62, enabling the support rod 61 and the support sleeve 62 to improve the support of the water pipe 71, fixing the water pipe 71 above the concrete layer 2, and then enabling water from the outside of the water pipe 71 to be sprayed to the surface of the concrete layer 2 from the inside of the spray head 72 to maintain the surface of the concrete layer 2; after seven days of pouring, removing a group of the templates 1 on the uppermost layer of the concrete layer 2, firstly inserting the limiting rods 91 and the reinforcing rods 93 into the installation pipe 5, covering the second straw curtain 43 on the surface of the concrete layer 2, holding the reinforcing rods 93, making the reinforcing rods 93 penetrate through the second straw curtain 43, simultaneously pulling the limiting pipes 91 to slide in the installation pipe 5, making the convex blocks 92 with arc-shaped side walls at one end of the limiting pipes 91 abut against the side walls of the second straw curtain 43 or the hose 42, simultaneously making the connecting sleeves 94 in threaded connection with one ends of the reinforcing rods 93, making the connecting sleeves 94 move towards the side walls of the second straw curtain 43, making the connecting sleeves 94 extrude the side walls of the second straw curtain 43, making the convex blocks 92 tightly attach to the side walls of the second straw curtain 43 or the hose 42, and increasing the stability of the second straw curtain 43 in the concrete layer 2, the second grass curtain 43 is prevented from falling off the surface of the concrete layer 2. Will the water pipe 71 is put into in the base 46, the water that shower nozzle 72 spouted shines passes through in the base 46 communicating pipe 47 gets into the inside of hose 42 makes water be in the inside downward flow of hose 42, through the lateral wall of hose 42 the through-hole 45 spout shines the second straw curtain 43 with the surface of concrete layer 2, the second straw curtain 43 prevents the moisture on concrete layer 2 surface evaporates fast, for concrete layer 2 surface moisturizes, and the second straw curtain 43 covers the surface of concrete layer 2, for concrete layer 2 keeps warm. Removing one layer of the template 1 every five days, after the template 1 is removed, inserting the limiting rod 91 and the reinforcing rod 93 into the mounting pipe 5, placing the joint 82 on the side wall of the second straw curtain 42 into the fixing sleeve 81 at the top end of the first straw curtain 41, rotating the fixing sleeve 81 at the top end of the hose 42 while enabling the joint 82 to continuously enter the inside of the fixing sleeve 81, enabling the bracket 84 inside the fixing sleeve 81 to enter the joint 82 and the inside of the fixing block 83, enabling the floating ball 85 to move upwards inside the fixing block 83, opening the fixing block 83, enabling the water in the hose 42 in the first straw curtain 41 in the second straw curtain 43 to enter the inside of the hose 42 in the first straw curtain 41 through the connecting mechanism 8, and simultaneously fixing the first straw curtain 41 below the second straw curtain 43, pulling the reinforcing rod 93 to enable the reinforcing mechanism 9 to stably fix the first grass curtain 41 on the surface of the concrete layer 2, wherein the first grass curtain 41 is used for preserving heat and moisture of concrete; with the removal of the formwork 1, another one of the first grass curtains 41 is deflected again below the first grass curtain 41 by the connecting means 8, so that cracks in the surface of the concrete layer 1 are reduced. The surface of the concrete layer 2 is formed by removing the formworks 1 layer by layer, when the formworks 1 are not removed, the screw rods 31 are not loosened, the fixing mechanisms 3 are made to extrude the formworks 1, and the formworks are made to clamp the concrete layer 2 all the time in the curing period 1, so that the tension force generated by the surface of the concrete and the lateral frictional resistance generated by the fastening force generated by the fixing mechanisms 3 can be utilized to resist a part of contraction force, and the occurrence of surface cracks is reduced.

Compared with the prior art, the shrinkage crack control structure of the overlong concrete outer wall of the basement has the following beneficial effects:

the utility model provides a shrinkage crack control structure of an overlong concrete outer wall of a basement, after a concrete layer 2 is poured, a spraying mechanism 7 is fixed above the concrete layer 2 by using a supporting mechanism 6, the spraying mechanism 7 is opened, water is sprayed out from the inside of the spraying mechanism 7 and is sprayed to the surface of the concrete layer 2, and the surface of the concrete layer 2 is maintained; after seven days of pouring, removing a group of templates 1 on the uppermost layer of the concrete layer 2, covering the second straw mat 43 on the surface of the concrete layer 2, placing the spraying mechanism 7 into the base 46, wherein water sprayed by the spraying mechanism 7 enters the hose 42 through the communicating pipe 47 in the base 46, so that the water flows downwards in the hose 42, and is sprayed to the surfaces of the second straw mat 43 and the concrete layer 2 through the through hole 45 on the side wall of the hose 42, the second straw mat 43 prevents the moisture on the surface of the concrete layer 2 from evaporating rapidly, so as to preserve moisture on the surface of the concrete layer 2, and the second straw mat 43 covers the surface of the concrete layer 2, so as to preserve heat of the concrete layer 2 and reduce cracks generated on the concrete layer 2; removing one layer of the formwork 1 every five days, after the formwork 2 is removed, fixing the first straw mat 41 below the second straw mat 43 by using the connecting mechanism 8, so that the leaked concrete is covered again by the first straw mat 41, and allowing water in the second straw mat 43 to enter the hose 42 inside the first straw mat 41 through the connecting mechanism 8, so that the water is sprayed on the surface of the concrete through the hose 42, thereby preserving heat and moisture of the concrete with the formwork 1 removed; the surface of the concrete layer is formed by removing the formworks 1 layer by layer, when the formworks 1 are not removed, the fixing mechanisms 3 extrude the formworks 1 to enable the formworks 1 to clamp the concrete layer 2 all the time in a maintenance period, so that tension generated by the surface of the concrete and lateral friction generated by fastening force generated by the fixing mechanisms 3 can be utilized to resist a part of shrinkage force, and surface cracks are reduced.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a basement overlength concrete outer wall shrinkage crack control structure which characterized in that includes:

a concrete layer (2);

the formwork (1) is fixed on the side wall of the concrete layer (2);

the mounting pipe (5), the mounting pipe (5) is mounted inside the concrete layer (2);

the supporting mechanism (6), the said supporting mechanism (6) is fixed to the top end of the said template (1);

the spraying mechanism (7), the spraying mechanism (7) is clamped with the bottom end of the supporting mechanism (6);

the fixing mechanism (3) is installed inside the installation pipe (5), and the fixing mechanism (3) abuts against the side wall of the template (1);

the maintenance mechanism (4) is installed on the side wall of the concrete layer (2), the maintenance mechanism (4) comprises a first straw curtain (41), a hose (42), a second straw curtain (43), a connecting pipe (44), a through hole (45), a base (46) and a communicating pipe (47), the second straw curtain (43) is installed at the top end of the concrete layer (2), the side walls of the second straw curtain (43) and the first straw curtain (41) are respectively and fixedly connected with a plurality of hoses (42), and the through holes (45) are formed in the side walls of the hoses (42) at equal intervals; the side wall of the second straw curtain (43) is provided with the connecting pipe (44) and the base (46), and the connecting pipe (44) is communicated with the hose (42); the spraying mechanism (7) is clamped in the base (46), the communicating pipe (47) is installed in the base (46), and the communicating pipe (47) is communicated with the inside of the connecting pipe (44);

a connecting mechanism (8), the connecting mechanism (8) being mounted at one end of the resulting first and second grass curtains (41, 43);

a reinforcement mechanism (9), reinforcement mechanism (9) sliding connection the inside of installation pipe (5), just reinforcement mechanism (9) is contradicted first grass curtain (41) with the lateral wall of second grass curtain (43).

2. The shrinkage crack control structure of the basement ultra-long concrete outer wall according to claim 1, characterized in that the fixing mechanism (3) comprises a screw rod (31), a fixing pipe (32) and a sealing sleeve (33), the inside of the mounting pipe (5) is connected with the screw rod (31) and the fixing pipe (32) in a sliding manner, and the screw rod (31) is in threaded connection with the fixing pipe (32); the screw rod (31) with the one end of fixed pipe (32) is installed respectively seal cover (33), seal cover (33) are contradicted the lateral wall of template (1).

3. The shrinkage crack control structure of the basement ultra-long concrete outer wall according to claim 1, characterized in that the supporting mechanism (6) comprises a supporting rod (61) and a supporting sleeve (62), the top end of the formwork (1) is clamped with the supporting rod (61), and the supporting sleeve (62) is installed on the side wall of the supporting rod (61).

4. The shrinkage crack control structure for the basement ultra-long concrete outer wall according to claim 3, wherein the spraying mechanism (7) comprises a water pipe (71) and spray heads (72), the support sleeve (62) with the arc-shaped side wall and the base (46) are internally clamped with the water pipe (71), and the spray heads (72) are installed at the bottom end of the water pipe (71).

5. The shrinkage crack control structure for the overlong concrete outer wall of the basement according to claim 1, wherein the connecting mechanism (8) comprises a fixing sleeve (81), a joint (82), a fixing block (83), a bracket (84) and a floating ball (85), one end of the hose (42) is connected with the fixing sleeve (81) and the joint (82) respectively, the joint (82) is in threaded connection with the fixing sleeve (81), the bracket (84) is installed inside the fixing sleeve (81), the fixing block (83) which is funnel-shaped is installed inside the joint (82), the floating ball (85) is clamped inside the fixing block (83), the fixing block (83) and the bracket (84) are in sliding connection inside the joint (82), and the bracket (84) is in sliding connection with the side wall of the floating ball (85).

6. The shrinkage crack control structure for the basement ultra-long concrete outer wall according to claim 5, wherein the joints (82) are respectively installed at two ends of the hose (42) on the side wall of the second straw curtain (43), the joint (82) and the fixing sleeve (81) are respectively installed at two ends of the hose (42) on the side wall of the first straw curtain (41), and the fixing sleeve (81) is rotatably connected with the hose (42).

7. The shrinkage crack control structure for the basement ultra-long concrete outer wall according to claim 1, wherein the reinforcing mechanism (9) comprises a limiting pipe (91), a bump (92), a reinforcing rod (93) and a connecting sleeve (94), the inner part of the mounting pipe (5) is slidably connected with the limiting pipe (91) in an I shape, the bump (92) with an arc-shaped mounting side wall of the limiting pipe (91) abuts against the side walls of the first straw curtain (41), the hose (42) and the second straw curtain (43), one end of the limiting pipe (91) is fixedly connected with the reinforcing rod (93), and the reinforcing rod (93) penetrates through the first straw curtain (41) and the second straw curtain (43); the connecting sleeve (94) is in threaded connection with the reinforcing rod (93), and the connecting sleeve (94) abuts against the side walls of the first straw mat (41) and the second straw mat (43).

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