CN215857879U

CN215857879U - Post-cast strip for bottom plate of underground chamber

Info

Publication number: CN215857879U
Application number: CN202122282665.4U
Authority: CN
Inventors: 吴利松; 黄文新
Original assignee: Guangdong Yinhui Construction Co ltd
Current assignee: Guangdong Yinhui Construction Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-18
Anticipated expiration: 2031-09-18

Abstract

The application relates to the technical field of post-cast strips, in particular to a post-cast strip for a bottom plate of a basement, which comprises an enclosing cement body, wherein a casting cavity is formed in the enclosing cement body; the positioning groove is internally connected with a U-shaped positioning rod, and the positioning groove and the U-shaped positioning rod are mutually inserted and matched; and the transverse supporting rod is arranged inside the U-shaped positioning rod. This application nature can replace the reinforcing bar of pouring area inner wall after originally through the atress board that sets up to support, avoids forming the reinforcing bar and forms the condition that the fretwork form is not good to pour at the pouring area inner wall after to improve the efficiency of construction, reduce the waste of the energy, and the atress board that sets up can also replace the effect of wooden backplate originally, and the construction that reduces wooden backplate is environmental protection green more.

Description

Post-cast strip for bottom plate of underground chamber

Technical Field

The application relates to the technical field of post-cast strips, in particular to a post-cast strip for a bottom plate of an underground chamber.

Background

The post-cast strip is a concrete strip reserved at the corresponding position of a foundation slab, a wall and a beam according to the design or construction specification requirement in order to prevent harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in the building construction. The post-cast strip temporarily divides the structure into a plurality of parts, the construction joint concrete is cast and tamped after a plurality of time after the internal contraction of the member, and the structure is connected into an integral zone. When the temperature is lower, the casting time of the post-cast strip is preferably selected, the casting cement or the concrete mixed with trace aluminum powder in the cement can be used, the strength grade of the casting cement or the concrete mixed with trace aluminum powder in the cement is higher than that of the member by one grade, and cracks between the new concrete and the old concrete are prevented from forming weak parts. The position of the post-cast strip is set by considering different consumption factors of measures such as a template and the like.

The existing post-cast strip generally penetrates through steel bars inside concrete in order to achieve corresponding strength when in use, a multi-layer net structure is formed after the steel bars are welded for convenience and efficiency during steel bar construction during construction, but casting cannot be carried out uniformly during casting, after casting, a shovel is required to be manually pushed, pulled and smeared to enable the post-cast strip to uniformly cover a layer, a concrete vibrating rod is required to be used for vibration balance, and the post-cast strip is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a basement bottom plate post-cast strip, in order to solve and to propose in the above-mentioned background art because current post-cast strip generally runs through the reinforcing bar in the concrete inside in order to reach corresponding intensity when using, convenient and efficiency when the construction for the reinforcing bar, form multilayer network structure behind the steel reinforcement welding, but when pouring, pour unable equilibrium and pour, not only need artifical shovel with carry out the push-and-pull after pouring and paint and make its evenly cover individual layer, still need to use concrete vibrant stick to shake the equilibrium, very troublesome problem.

In order to achieve the above purpose, the present application provides the following technical solutions: a subsurface chamber floor strip, comprising:

the device comprises a surrounding cement body, a pouring cavity is arranged inside the surrounding cement body, the lower end face of the inner wall of the pouring cavity is connected with a plurality of area contact increasing bodies, insertion grooves are formed in two sides of the inner wall of the surrounding cement body, and a bottom cement body is arranged below the surrounding cement body;

the stress plate is arranged on two sides of the inner wall of the pouring cavity, an insertion card is connected to the end face of one side of the stress plate, and the insertion card is in mutual insertion fit with the insertion groove;

the connecting piece is connected to the end face of the other side of the stress plate, positioning grooves are formed in the upper side and the lower side of the connecting piece, a U-shaped positioning rod is connected to the inside of each positioning groove, and the positioning grooves and the U-shaped positioning rods are mutually inserted and matched;

and the transverse supporting rod is arranged inside the U-shaped positioning rod.

Preferably, the transverse supporting rod is further provided with:

the transverse reinforcing steel bar is connected above the transverse supporting bar, the upper outer wall of the transverse supporting bar is connected with the vertical reinforcing steel bar, and the upper portion of the transverse reinforcing steel bar is provided with the hollowed-out upper cover body.

Preferably, the upper hollowed-out cover body is of a hollowed-out net structure, the appearance size of the upper hollowed-out cover body is matched with that of the pouring cavity, and the upper hollowed-out cover body penetrates through the upper end face of the pouring cavity.

Preferably, the bottom cement body is further provided with:

the water seepage cavity is arranged inside the bottom cement body, the inner wall of the water seepage cavity is connected with a primary waterproof layer, and the upper end face of the primary waterproof layer is connected with a secondary waterproof layer.

Preferably, the infiltration chamber is connected with the bonding of one-level waterproof layer, and one-level waterproof layer and second grade waterproof layer bonding connection to closely laminate between infiltration chamber and the one-level waterproof layer.

Preferably, the stress plate and the inner wall of the enclosing cement body are matched with each other in size, the stress plate penetrates through the inside of the enclosing cement body, and the thickness of the stress plate is 1-3 cm.

Preferably, the connecting pieces are symmetrically distributed about the horizontal center line of the stress plate, and the transverse supporting rods are uniformly distributed at equal intervals about the inner part of the pouring cavity.

Compared with the prior art, the application provides a basement bottom plate post-cast strip, possesses following beneficial effect:

1. the cross structure formed by the arranged transverse steel bars and the vertical steel bars can support the device in a good stress manner, so that the stress and tensile and compressive capacity of the device are improved; the hollowed upper cover body can be used for paving and leveling poured cement, construction is convenient, the connectivity of the cement on the upper surface and the lower surface can be improved through the hollowed arrangement, and the overall toughness of the cement can be improved by embedding the hollowed upper cover body into the cement;

2. the contact area between pouring cement and a pouring cavity can be effectively increased through the arranged area contact increasing body, so that the connectivity is improved; the water seepage cavity can be effectively guided by the arranged water seepage cavity, so that the water is prevented from silting up to influence the condition of the whole building, and the arranged primary waterproof layer and the secondary waterproof layer can effectively perform waterproof treatment on the water seepage cavity, so that the waterproof property is improved;

3. the clamped stress plate can be convenient for the installation of the stress plate, the construction is convenient, the smooth pouring of cement can be facilitated through the arranged stress plate, the arranged stress plate can replace the reinforcing steel bars of the inner wall of the original post-pouring belt to support, and the condition that the hollow-out-shaped inner wall of the post-pouring belt is not good for pouring due to the formation of the reinforcing steel bars is avoided, so that the construction efficiency is improved, the waste of energy is reduced, the arranged stress plate can also replace the effect of the original wooden guard plate, and the construction of the wooden guard plate is reduced, so that the environment is more protected; the U type locating lever that sets up carries out spacing block through the constant head tank, and such structure is convenient to carry out fixed-position welding to the connecting piece to convenient construction can form the support to the horizontal direction of post-cast strip through the horizontal bracing piece of a plurality of settings, and it is when guaranteeing intensity, has enlarged the space of pouring, lets pour easier.

Drawings

FIG. 1 is a schematic view of the internal perspective structure of the present application;

FIG. 2 is an external perspective view of the present application;

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

fig. 4 is a schematic view of a partial enlarged structure at B in fig. 1 of the present application.

In the figure: 1. surrounding the cement body; 2. pouring a cavity; 3. an area contact increasing body; 4. a bottom cement body; 5. a water seepage cavity; 6. a primary waterproof layer; 7. a secondary waterproof layer; 8. a stress plate; 9. inserting a card; 10. inserting the groove; 11. a connecting member; 12. positioning a groove; 13. positioning a rod; 14. a transverse support bar; 15. transverse reinforcing steel bars; 16. vertical reinforcing steel bars; 17. the upper cover body is hollowed out.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

1-2, a subsurface chamber floor strip includes: the concrete pouring device comprises a surrounding cement body 1, wherein a pouring cavity 2 is formed in the surrounding cement body 1, and a plurality of area contact increasing bodies 3 are connected to the lower end face of the inner wall of the pouring cavity 2; the area contact increasing body 3 is fixedly connected with the pouring cavity 2, and the area contact increasing body 3 is of a square structure; the contact area between pouring cement and the pouring cavity 2 can be effectively increased through the arranged area contact increasing body 3, so that the connectivity is improved; a bottom cement body 4 is arranged below the surrounding cement body 1, a water seepage cavity 5 is formed in the bottom cement body 4, the inner wall of the water seepage cavity 5 is connected with a primary waterproof layer 6, and the upper end face of the primary waterproof layer 6 is connected with a secondary waterproof layer 7; the water seepage cavity 5 is connected with the primary waterproof layer 6 in an adhesive way, the primary waterproof layer 6 is connected with the secondary waterproof layer 7 in an adhesive way, and the water seepage cavity 5 is tightly attached to the primary waterproof layer 6; effective water conservancy diversion can be carried out the infiltration through the infiltration chamber 5 that sets up, prevents the siltation of water, influences the condition of whole building, and waterproof treatment can effectively be carried out infiltration chamber 5 to the one-level waterproof layer 6 and the second grade waterproof layer 7 of setting to improve waterproof nature.

As shown in fig. 1 and 3, a subsurface chamber floor post-cast strip, comprising: the stress plate 8 is arranged on two sides of the inner wall of the pouring cavity 2, one end face of one side of the stress plate 8 is connected with an insertion card 9, and the insertion card 9 is in insertion fit with the insertion groove 10; the stress plate 8 is matched with the inner wall of the surrounding cement body 1 in size, the stress plate 8 penetrates through the inside of the surrounding cement body 1, and the thickness of the stress plate 8 is 1-3 cm; stress board 8 through the block can make things convenient for stress board 8 to install, convenient construction, stress board 8 of setting can replace the reinforcing bar of the internal wall of post-cast strip originally to support, avoids forming the reinforcing bar and forms the condition that the fretwork form is not good to pour at the internal wall of post-cast strip to improve the efficiency of construction, reduce the waste of the energy, and stress board 8 of setting can also replace the effect of wooden backplate originally, reduce the construction environmental protection green more of wooden backplate.

As shown in fig. 1 and 4, a subsurface chamber floor post-cast strip, comprising: the connecting piece 11 is connected to the end face of the other side of the stress plate 8, positioning grooves 12 are formed in the upper side and the lower side of the connecting piece 11, a U-shaped positioning rod 13 is connected inside the positioning grooves 12, and the positioning grooves 12 and the U-shaped positioning rod 13 are mutually inserted and matched; the connecting pieces 11 are symmetrically distributed about the horizontal center line of the stress plate 8, and the transverse support rods 14 are uniformly distributed at equal intervals about the interior of the pouring cavity 2; the arranged U-shaped positioning rod 13 is in limiting clamping through the positioning groove 12, and the structure facilitates positioning welding of the connecting piece 11, so that construction is facilitated; a transverse supporting rod 14 is arranged inside the U-shaped positioning rod 13, and a plurality of transverse supporting rods 14 can support the post-cast strip in the transverse direction, so that the strength is ensured, the casting space is enlarged, and the casting is easier; the transverse reinforcing steel bars 15 are connected above the transverse supporting rods 14, the vertical reinforcing steel bars 16 are connected to the upper outer walls of the transverse supporting rods 14, and hollow upper cover bodies 17 are arranged above the transverse reinforcing steel bars 15; the cross structure formed by the transverse steel bars 15 and the vertical steel bars 16 can support the device in a good stress manner, so that the stress and tensile and compressive capacity of the device are improved; the hollow upper cover body 17 is of a hollow net structure, the outline dimension of the hollow upper cover body 17 is matched with that of the pouring cavity 2, and the hollow upper cover body 17 penetrates through the upper end face of the pouring cavity 2; cover 17 can carry out the shop cover flattening to the cement of pouring down through the fretwork that sets up, and convenient construction, and the setting through its fretwork can improve the connectivity of cement from top to bottom, can improve the whole toughness of cement in the middle of its embedding cement.

The working principle is as follows: when the basement bottom plate post-cast strip is used, firstly, the stress plate 8 is installed, acting force is applied to the stress plate 8, the inserting card 9 is fixedly connected with the stress plate 8, the inserting card 9 generates acting force, the inserting card 9 enters the inserting groove 10 under the action of the acting force, the connection of the stress plate 8 and the surrounding cement body 1 is completed, then, acting force is applied to the positioning rod 13, the positioning rod 13 is connected with the connecting piece 11 through the positioning groove 12, the transverse supporting rod 14 enters the limiting space formed by the positioning rod 13, then, the connecting part is welded, then, the transverse reinforcing steel bar 15 and the vertical reinforcing steel bar 16 are welded in a cross mode, then, cement casting is carried out, at the moment, the area contact increasing body 3 fixedly connected with the casting cavity 2 increases the contact area of cement and the casting cavity 2, then, the hollowed upper cover body 17 is covered, then, casting is carried out again, when water seepage occurs, the water seepage cavity 5 formed in the bottom cement body 4 guides water, and a primary waterproof layer 6 which is bonded with the water seepage cavity 5 and a secondary waterproof layer 7 which is bonded with the primary waterproof layer 6 are subjected to waterproof treatment.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A subsurface chamber floor strip, comprising:

the concrete pouring device comprises a surrounding cement body (1), wherein a pouring cavity (2) is formed in the surrounding cement body (1), the lower end face of the inner wall of the pouring cavity (2) is connected with a plurality of area contact increasing bodies (3), insertion grooves (10) are formed in two sides of the inner wall of the surrounding cement body (1), and a bottom cement body (4) is arranged below the surrounding cement body (1);

the stress plate (8) is arranged on two sides of the inner wall of the pouring cavity (2), an insertion card (9) is connected to the end face of one side of the stress plate (8), and the insertion card (9) is in insertion fit with the insertion groove (10);

the connecting piece (11) is connected to the end face of the other side of the stress plate (8), positioning grooves (12) are formed in the upper side and the lower side of the connecting piece (11), U-shaped positioning rods (13) are connected inside the positioning grooves (12), and the positioning grooves (12) are mutually inserted and matched with the U-shaped positioning rods (13);

and a transverse support rod (14) arranged inside the U-shaped positioning rod (13).

2. A subsurface chamber floor strip according to claim 1, characterized in that the lateral support bar (14) is further provided with:

horizontal reinforcing bar (15), its connect in the top of horizontal bracing piece (14), the last outer wall of horizontal bracing piece (14) is connected with vertical reinforcing bar (16), the top of horizontal reinforcing bar (15) is provided with lid (17) on the fretwork.

3. A subsurface chamber floor post-cast strip as claimed in claim 2, wherein: the upper hollow cover body (17) is of a hollow net structure, the outline dimension of the upper hollow cover body (17) is matched with that of the pouring cavity (2), and the upper hollow cover body (17) penetrates through the upper end face of the pouring cavity (2).

4. A subsurface chamber floor post-cast strip as claimed in claim 1, wherein: the area contact increasing body (3) is fixedly connected with the pouring cavity (2), and the area contact increasing body (3) is of a square structure.

5. A bottom chamber floor strip according to claim 1, wherein the bottom cement body (4) is further provided with:

the water seepage cavity (5) is arranged inside the bottom cement body (4), the inner wall of the water seepage cavity (5) is connected with a primary waterproof layer (6), and the upper end face of the primary waterproof layer (6) is connected with a secondary waterproof layer (7).

6. A subsurface chamber floor post-cast strip as claimed in claim 5, wherein: infiltration chamber (5) and one-level waterproof layer (6) adhesive connection, and one-level waterproof layer (6) and second grade waterproof layer (7) adhesive connection to closely laminate between infiltration chamber (5) and one-level waterproof layer (6).

7. A subsurface chamber floor post-cast strip as claimed in claim 1, wherein: the stress plate (8) is matched with the inner wall of the surrounding cement body (1) in size, the stress plate (8) penetrates through the inside of the surrounding cement body (1), and the thickness of the stress plate (8) is 1-3 cm.

8. A subsurface chamber floor post-cast strip as claimed in claim 1, wherein: connecting piece (11) are the symmetric distribution about the horizontal center line of atress board (8), horizontal bracing piece (14) are equidistance evenly distributed about the inside of pouring cavity (2).