CN210315684U

CN210315684U - Construction device for making waterproof and backfilling earth on post-cast strip of external wall of underground warehouse in advance

Info

Publication number: CN210315684U
Application number: CN201920833220.0U
Authority: CN
Inventors: 孟庆伟; 谢彬; 董立涛; 于蒙; 程建军
Original assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Current assignee: Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-14
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a construction equipment that basement outer wall post-cast strip was made waterproofly and was backfilled earthwork in advance, including post-cast strip and the basement outer wall that is located post-cast strip both sides, post-cast strip outside shutoff is equipped with the prefabricated plate, the both sides of prefabricated plate extend to the outside of basement outer wall respectively, the reinforcing bar of prefabricated plate is two-way tertiary steel 12@150mm of individual layer, and the concrete grade adopts C30, pre-buried fixed steel bar, fixed steel bar stretches out outside the prefabricated plate; the prefabricated steel tube and underground garage outer wall combined prefabricated slab is characterized in that a steel tube keel is arranged on the inner side of the underground garage outer wall at the joint of the prefabricated slab and the underground garage outer wall, a split bolt @1000mm is arranged on the fixed prefabricated slab, the split bolt is connected with a fixed steel bar, a waterproof ring is arranged on the split bolt, and a water-swelling water-stopping rubber gasket is arranged between the prefabricated slab and the underground garage outer wall. The utility model discloses a to the basement outer wall post-cast strip block in advance, realize in advance that the basement cuts off the water supply and the basement outer wall is waterproof and backfill the earthwork for construction period.

Description

Construction device for making waterproof and backfilling earth on post-cast strip of external wall of underground warehouse in advance

Technical Field

The utility model relates to an instrument for construction, concretely relates to construction equipment who is waterproof and backfill earth side in advance in basement outer wall post-cast strip.

Background

After the construction of the basement structure is finished, the post-cast strip is reserved for later pouring treatment, concrete is poured after conditions are met in the traditional method, and then waterproof backfill earthwork is constructed, so that the basement cannot be cut off water for a long time to influence other constructions.

Disclosure of Invention

The purpose of the invention is as follows: an object of the utility model is to prior art's not enough, provide a construction equipment who waters the area behind the outer wall of basement and do waterproof and backfill earthwork in advance, construction equipment can be under construction waterproof and backfill earthwork in advance, for other construction content provide better construction environment, provide the condition for accelerating the time limit for a project.

The technical scheme is as follows: the utility model relates to a construction equipment that basement outer wall post-cast strip was made waterproofly and was backfilled earthwork in advance, including post-cast strip and the basement outer wall that is located post-cast strip both sides, post-cast strip outside shutoff is equipped with the prefabricated plate, the both sides of prefabricated plate extend to the outside of basement outer wall respectively, the reinforcing bar of prefabricated plate is two-way tertiary steel 12@150mm of individual layer, and the concrete grade adopts C30, pre-buried fixed steel bar, fixed steel bar stretches out outside the prefabricated plate; the prefabricated steel tube and underground garage outer wall combined prefabricated slab is characterized in that a steel tube keel is arranged on the inner side of the underground garage outer wall at the joint of the prefabricated slab and the underground garage outer wall, a split bolt @1000mm is arranged on the fixed prefabricated slab, the split bolt is connected with a fixed steel bar, a waterproof ring is arranged on the split bolt, and a water-swelling water-stopping rubber gasket is arranged between the prefabricated slab and the underground garage outer wall.

Further, the precast slab is a concrete precast slab with the thickness of 120mm, and the end of the precast slab is of an arc structure.

Furthermore, an additional layer is arranged at the joint of the end part of the prefabricated slab and the outer wall of the ground warehouse, waterproof coiled materials are laid in the space within 20cm range of the two sides of the prefabricated slab, and the waterproof coiled materials are laid on the outer sides of the prefabricated slab and the outer wall of the ground warehouse.

Has the advantages that: (1) the utility model discloses a watering area shutoff prefabricated plate behind ground storehouse outer wall, the fixed reinforcement is reserved to the prefabricated plate, is fixed in the ground storehouse outer wall with the prefabricated plate through split bolt and fixed reinforcement on to be provided with water inflation stagnant water rubber gasket between prefabricated plate and ground storehouse outer wall, guaranteed the ground storehouse well and cut off the water, guarantee the waterproof and completion of backfilling earthwork construction of ground storehouse outer wall, and provide good construction environment for other construction contents, provide the condition for accelerating the time limit for a project.

Drawings

Fig. 1 is the structure schematic diagram of the construction device of the utility model.

In the figure, 1-external wall of ground warehouse, 2-prefabricated plate, 3-fixed steel bar and 4-split bolt.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example (b): a construction device for preventing water and backfilling earth in advance of a post-cast strip of an external wall of a basement comprises the post-cast strip and external walls 1 of the basement, wherein the external sides of the post-cast strip are provided with precast slabs 2 in a sealing mode, two sides of each precast slab 2 extend to the outer sides of the external walls 1 of the basement respectively, steel bars of the precast slabs 2 are single-layer bidirectional three-level steel 12@150mm, the concrete grade adopts C30, fixed steel bars 3 are embedded, the fixed steel bars 3 extend out of the precast slabs 2, the precast slabs 2 are concrete precast slabs 2 with the thickness of 120mm, and the end portions of the precast slabs 2 are of arc structures; the ground storehouse outer wall 1 inboard of prefabricated plate 2 and the department of meeting of ground storehouse outer wall 1 is provided with the steel pipe fossil fragments to set up the fixed prefabricated plate 2 of split bolt 4@1000mm, split bolt 4 is connected with fixed reinforcing bar 3, be equipped with waterproof ring on the split bolt 4, be provided with water-swelling stagnant water rubber gasket between prefabricated plate 2 and the ground storehouse

outer wall

1, 2 tip of prefabricated plate and 1 handing-over department of ground storehouse outer wall set up the additional layer, prefabricated plate 2 both sides 20cm within range sky has laid waterproofing membrane, waterproofing membrane lays in prefabricated plate 2 and the 1 outside of ground storehouse outer wall.

Utilize the utility model discloses the structure carries out the concrete step of construction as follows:

1) determining the size of the concrete precast slab 2 according to the width and the height of the post-cast strip of the external wall of the underground warehouse, and making a processing drawing of the concrete precast slab 2;

2) pouring the concrete precast slab 2, wherein the steel bar configured on the concrete precast slab 2 adopts single-layer bidirectional three-level steel 12@150mm, the concrete grade adopts C30, and the fixed steel bar 3 is embedded;

3) mounting a concrete precast slab 2, and fixing the inner side of the ground warehouse by using a steel pipe as a keel and adopting a split bolt 4@1000mm (with a water stop ring);

4) a water swelling and water stopping rubber gasket is arranged between the concrete precast slab 2 and the external wall 1 of the ground reservoir, and the end part of the concrete precast slab 2 is subjected to arc treatment;

5) constructing waterproof coiled materials, adding an additional layer at the joint of the end part of the concrete precast slab 2 and the external wall 1 of the ground warehouse, and laying the coiled materials in a vacant way within 20cm of the two sides of the concrete precast slab 2 to prevent the waterproof coiled materials from being torn;

6) constructing a waterproof protective layer, and then backfilling earthwork;

7) in the later period, the inner side template is fixed by adopting a split bolt 4 for fixing the concrete precast slab 2;

8) synchronously removing the split bolts 4 when the template is removed;

as mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The construction device for preventing water and backfilling earth in advance of the post-cast strip of the outer wall of the basement is characterized by comprising the post-cast strip and the outer wall of the basement, wherein the outer side of the post-cast strip is provided with a precast slab in a plugging manner, two sides of the precast slab respectively extend to the outer side of the outer wall of the basement, steel bars of the precast slab are single-layer bidirectional three-level steel 12@150mm, the concrete grade adopts C30, fixed steel bars are embedded in the precast steel bars, and the fixed steel bars extend out of the precast slab; the prefabricated steel tube and underground garage outer wall combined prefabricated slab is characterized in that a steel tube keel is arranged on the inner side of the underground garage outer wall at the joint of the prefabricated slab and the underground garage outer wall, a split bolt @1000mm is arranged on the fixed prefabricated slab, the split bolt is connected with a fixed steel bar, a waterproof ring is arranged on the split bolt, and a water-swelling water-stopping rubber gasket is arranged between the prefabricated slab and the underground garage outer wall.

2. The construction device for preventing water and backfilling earth in advance of the post-cast strip of the outer wall of the basement according to claim 1, wherein the precast slab is a concrete precast slab with the thickness of 120mm, and the end part of the precast slab is of an arc structure.

3. The construction device for preventing water and backfilling earth in advance of the post-cast strip of the outer wall of the basement according to claim 2, wherein an additional layer is arranged at the joint of the end part of the precast slab and the outer wall of the basement, waterproof coiled materials are laid in the 20cm range of the two sides of the precast slab, and the waterproof coiled materials are laid on the outer sides of the precast slab and the outer wall of the basement.