阅读说明：本技术 一种水箱基础槽浇筑施工方法 (Pouring construction method for water tank foundation trench ) 是由 赵振华 王立峰 庞世博 李小勇 申彦霞 于 2020-12-28 设计创作，主要内容包括：本发明提供一种水箱基础槽浇筑施工方法,其包括以下步骤：S1挖槽：在指定位置进行土方开挖至设计标高；S2浇筑混凝土垫层：在挖开的槽内浇筑垫层混凝土,垫层混凝土层中均布四个以上桩腿,垫层混凝土表面压光；S3取桩：在垫层混凝土浇筑完毕后,2～4个小时,取出桩腿；S4放置水箱：将带牛腿桩的水箱,放置到垫层混凝土上面,并以牛腿桩对齐桩腿取出后留下的孔洞；S5混凝土入仓振捣浇筑：将混凝土注入水箱旁的坑槽内,进行振捣浇筑作业,保证混凝土浇筑密实；S6放水加压：往水箱内放满水,使垫层混凝土在承压状态下进行浇筑；本发明具有工序简便,浇筑部位紧密无缝结合,能够延长水箱使用寿命的特点。(The invention provides a pouring construction method for a water tank foundation trench, which comprises the following steps: s1 grooving: excavating earth to a designed elevation at a designated position; s2 pouring the concrete cushion layer: pouring cushion concrete in the excavated groove, uniformly distributing more than four pile legs in the cushion concrete layer, and press polishing the surface of the cushion concrete; s3 pile taking: after the concrete of the cushion layer is poured, taking out the pile leg for 2-4 hours; s4 tank: placing the water tank with the bracket piles on the cushion concrete, and aligning the bracket piles with holes left after the pile legs are taken out; s5 placing concrete into a bin, vibrating and pouring: pouring concrete into a pit groove beside the water tank, and performing vibration pouring operation to ensure that the concrete is poured compactly; s6 water discharging and pressurizing: filling water into the water tank to pour the cushion concrete in a pressure-bearing state; the invention has the characteristics of simple and convenient working procedures, close and seamless combination of pouring parts and capability of prolonging the service life of the water tank.)

1. The pouring construction method for the water tank foundation trench is characterized by comprising the following steps of:

s1 grooving: excavating earth to a designed elevation at a designated position;

s2 pouring the concrete cushion layer: pouring cushion concrete in the excavated groove, uniformly distributing more than four pile legs in the cushion concrete layer, and press polishing the surface of the cushion concrete;

s3 pile taking: after the concrete of the cushion layer is poured, taking out the pile leg for 2-4 hours;

s4 tank: placing the water tank with the bracket piles on the cushion concrete, and aligning the bracket piles with holes left after the pile legs are taken out;

s5 placing concrete into a bin, vibrating and pouring: pouring concrete into a pit groove beside the water tank, and performing vibration pouring operation to ensure that the concrete is poured compactly;

s6 water discharging and pressurizing: filling water into the water tank to pour the cushion concrete in a pressure-bearing state;

s7 leveling: carrying out trowelling operation on the concrete at the top layer part of the water tank;

s8 maintenance: after the pouring is finished, covering and maintaining the operation part by using a gunny bag or a maintenance felt, and watering and maintaining at regular intervals.

2. The water tank foundation trench casting construction method as claimed in claim 1, wherein in the step S4, the bottom of the bracket pile is larger than the cross-sectional area of the top of the bracket pile.

3. The method as claimed in claim 1, wherein in step S5, the slurry pump of the storage tank is connected to the vibrating device through the slurry pipe, so that the mixer is lowered to the designed depth along the guide frame, the mortar spouting port is opened, the mortar is uniformly lifted, and the mortar is lifted while being stirred until the mortar is lifted to the top of the designed pit, and the vibrating pouring operation is completed at one time to ensure compact concrete pouring.

4. The pouring method for the foundation trench of the water tank of claim 1, wherein in step S6, the water tank is kept full of water until the water tank is maintained, and then the water is drained by the drainage pump.

5. The pouring construction method for the foundation trench of the water tank as claimed in claim 1, wherein in step S8, the watering curing time is 7-14 days.

Technical Field

The invention relates to a pouring method, in particular to a pouring construction method for a water tank foundation trench.

Background

The BDF water tank is a water tank product made of novel materials, and mainly comprises: the BDF composite water tank comprises a BDF composite water tank plate, a channel steel base, a lacing wire system, support columns, screws, adhesive tapes and the like, wherein the BDF composite water tank plate is connected through the screws (the middle of the BDF composite water tank plate is clamped with the adhesive tapes). The BDF plate is a novel plate in the water tank industry, and is a composite body of a stainless steel plate and a galvanized plate, wherein the surface contacting water is a stainless steel thin plate lining, and the outer side of the BDF plate is a thicker galvanized steel plate for providing overall strength and rigidity. The material combines the common advantages of the two parent metals, the water quality meets the drinking water standard on the premise of not low strength and rigidity, and the manufacturing cost is greatly reduced compared with a stainless steel screw connection water tank, so that the material is an ideal plate for the water tank and is generally applied to a buried water tank for both life and fire fighting. The buried water tank does not occupy the ground space, is designed and used in an ancient building yard, and does not influence the appearance image of the ancient building as emergency storage water.

When stainless steel water tank pours, water tank and basis are two kinds of materials, directly pour the concrete in the water tank side, because the inside and outside both sides of foundation ditch are not a whole, pour the in-process and leave the gap between empty water tank and the pouring body easily, after flood period, rainwater in the gap can corrode the water tank surface, lead to the water tank seepage easily, cause the loss, consequently how guarantee the inseparable seamless combination of water tank and concrete, improve the life of water tank, become the difficult problem that this trade waited to solve urgently.

Disclosure of Invention

The invention aims to solve the technical problem of providing a pouring construction method for a water tank foundation trench, which has simple and convenient working procedures, close and seamless combination of pouring parts and can prolong the service life of a water tank.

In order to solve the technical problems, the invention adopts the technical scheme that:

a pouring construction method for a water tank foundation trench comprises the following steps:

s1 grooving: excavating earth to a designed elevation at a designated position;

s2 pouring the concrete cushion layer: pouring cushion concrete in the excavated groove, uniformly distributing more than four pile legs in the cushion concrete layer, and press polishing the surface of the cushion concrete;

s3 pile taking: after the concrete of the cushion layer is poured, taking out the pile leg for 2-4 hours;

s4 tank: placing the water tank with the bracket piles on the cushion concrete, and aligning the bracket piles with holes left after the pile legs are taken out;

s5 placing concrete into a bin, vibrating and pouring: pouring concrete into a pit groove beside the water tank, and performing vibration pouring operation to ensure that the concrete is poured compactly;

s6 water discharging and pressurizing: filling water into the water tank to pour the cushion concrete in a pressure-bearing state;

s7 leveling: carrying out trowelling operation on the concrete at the top layer part of the water tank;

s8 maintenance: after the pouring is finished, covering and maintaining the operation part by using a gunny bag or a maintenance felt, and watering and maintaining at regular intervals.

Further, in step S4, the bottom of the corbel pile is larger than the top cross-sectional area of the corbel pile.

Furthermore, in step S5, the slurry pump of the storage tank is connected to the vibrating device through the slurry conveying pipe, so that the mixer is moved down to the designed depth along the guide frame, the slurry spraying port is opened, the slurry is uniformly lifted, and the slurry is lifted while being stirred until the slurry is lifted to the top of the designed pit slot, thereby completing the vibrating pouring operation at one time and ensuring the compact pouring of the concrete.

Further, in step S6, the water tank is kept full of water until the maintenance is completed, and then the water is drained by the drain pump.

Further, in the step S8, the watering curing time is 7-14 days.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

according to the method, pile legs are preset when cushion concrete is poured, when the concrete is preliminarily shaped after 2-4 hours, the pile legs are taken out to form holes, the water tank with the corbel piles is placed on the cushion concrete in a mode that the corbel piles are aligned with the holes, then concrete vibrating pouring of a subsequent process is carried out, at the moment, the concrete is mainly poured into gaps between the water tank and a pit groove, the corbel piles mainly play a role in supporting the water tank during pouring, pouring of the concrete is facilitated, after pouring shaping is completed, the corbel piles play a role in fixing the water tank due to the fact that the area of the bottom section of the corbel piles is larger than that of the top section, the water tank is prevented from shaking when the water tank is drained or filled with water, gaps are formed between the contact surface of the water tank and the concrete, water tank leakage caused by rainwater pouring is prevented, and the service life of the water tank is prolonged.

According to the vibrating and pouring process, the vibrating device is firstly arranged at the bottom, and is lifted while vibrating along with the increase of mortar, so that vibrating and pouring operation is completed in sequence, the process is simple and convenient, pouring is dense, the actual production needs are met, and the vibrating and pouring process has a wide market application prospect.

The invention is poured under the condition that the water tank is full of water, after the maintenance is finished, the water in the water tank can be discharged, and the water tank and the upper concrete layer are tightly and seamlessly combined under the pressure-bearing state between the upper concrete layer and the cushion concrete layer.

Drawings

FIG. 1 is a schematic structural view of the present invention;

wherein, 1, bed course concrete layer, 2, water tank, 3, bracket stake, 4, concrete layer.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, the present embodiment provides a pouring construction method for a water tank foundation trench, which includes the following steps:

s1 grooving: excavating earth to a designed elevation at a designated position;

s2 pouring the concrete cushion layer: pouring cushion concrete in the excavated groove, uniformly distributing more than four pile legs in the cushion concrete layer, and press polishing the surface of the cushion concrete;

s3 pile taking: after the concrete of the cushion layer is poured, taking out the pile leg for 2-4 hours;

s4 tank: placing the water tank with the bracket piles on the cushion concrete, and aligning the bracket piles with holes left after the pile legs are taken out;

s5 placing concrete into a bin, vibrating and pouring: pouring concrete into a pit groove beside the water tank, and performing vibration pouring operation to ensure that the concrete is poured compactly;

s6 water discharging and pressurizing: filling water into the water tank, so that the cushion concrete is poured under the pressure-bearing state, pouring is carried out under the condition that the water tank is filled with water, after maintenance is finished, the water in the water tank can be discharged, and the water tank and the upper concrete layer are tightly and seamlessly combined under the pressure-bearing state between the upper concrete layer and the cushion concrete and between the water tank and the upper concrete layer;

s7 leveling: carrying out trowelling operation on the concrete at the top layer part of the water tank;

s8 maintenance: after the pouring is finished, covering and maintaining the operation part by using a gunny bag or a maintenance felt, and watering and maintaining at regular intervals.

In the steps S3 and S4, pile legs are preset when cushion concrete is poured, when the concrete is poured for 2-4 hours and is preliminarily shaped, the pile legs are taken out to form holes, a water tank with bracket piles is arranged, the bracket piles are placed on the cushion concrete in a mode of aligning the bracket piles to the holes, then concrete vibrating pouring of a subsequent channel is carried out, at the moment, the concrete is mainly poured into gaps between the water tank and the pit grooves, the bracket piles mainly play a role in supporting the water tank when the concrete is poured, the concrete is convenient to pour, after the pouring shaping is finished, the area of the bottom cross section of the bracket piles is larger than that of the top cross section, the bracket piles play a role in fixing the water tank, the water tank is prevented from shaking when water is drained or injected, gaps are formed on the contact surface of the water tank and the concrete, the water tank is prevented from being corroded and leaked due to rainwater pouring, and the service life of the water tank is prolonged.

In the step S5, a slurry conveying pipe is used for communicating a slurry storage tank slurry pump with a vibration device, the stirrer is driven to a designed depth along a guide frame, a slurry spraying opening is opened, slurry spraying is uniformly lifted, lifting is carried out while stirring is carried out until the stirrer is lifted to the top of a designed pit slot, vibration pouring operation is completed at one time, concrete pouring is guaranteed to be compact, the vibration pouring process enables the vibration device to be placed into the bottom in advance, vibration pouring operation is carried out while lifting is carried out along with increase of slurry, the vibration pouring operation is completed in sequence, the process is simple and convenient, pouring is compact, production actual needs are met, and the vibration pouring device has a wide market application prospect.

In step S6, the water tank is kept full of water until the water tank is maintained, and the water tank is filled with water and then poured with water by using the drainage pump, and after the maintenance is completed, the water in the water tank can be drained, and the water tank and the upper concrete layer are tightly and seamlessly bonded under a pressure-bearing state.

In the step S8, the watering curing time is 7-14 days.

The principle process is as follows:

the invention presets the pile leg when casting the cushion concrete layer 1, when casting is finished for 2-4 hours and the concrete is preliminarily shaped, the pile leg is taken out to form a hole, the water tank 2 with the bracket pile 3 is placed on the cushion concrete in a mode that the bracket pile is aligned with the hole, then the concrete is cast in a subsequent vibration way, at the moment, the concrete is mainly poured in a gap between the water tank and the pit slot to form the concrete layer 4, the bracket pile 3 mainly plays a role of supporting the water tank 2 when casting, thereby being convenient for pouring the concrete, after the casting is finished, as the area of the bottom section of the bracket pile 3 is larger than the area of the top section, the bracket pile 3 plays a role of fixing the water tank 2, preventing the water tank 2 from shaking when water is drained or injected, and the contact surface of the water tank 2 and the concrete layer 4 generates a gap, preventing the water tank 2 from being rusted and leaking due to rainwater pouring, prolonging the service life of the water tank 2, meanwhile, a pressure-bearing pouring maintenance mode is adopted, the concrete layer 4 and the cushion concrete layer 1 are guaranteed during pouring, the water tank 2 and the concrete layer are closely and seamlessly combined in a pressure-bearing state, and the construction quality is guaranteed on the pouring basis.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.