Drip irrigation type maintenance system for support grouting materials

Abstract

The utility model discloses a drip irrigation type maintenance system for support grouting materials, and belongs to the technical field of road and bridge pouring construction auxiliary devices. The structure comprises a pier; prefabricated box girders are arranged above the bridge piers through a bridge girder erection machine; a support pouring formwork is detachably installed at the position, opposite to the prefabricated box girder, of the upper top of the pier. A support grouting material is poured in the support pouring template; the surface of the support grouting material is covered with a permeable layer capable of permeating water; the support pouring template is covered with a protective film; a plurality of drip irrigation pipes are arranged on the protective film; the drip irrigation pipe is communicated with the interior of the protective film; the other end of the drip irrigation pipe is connected to a water bucket filled with water, and the water can enter the protective film through the drip irrigation pipe; the bridge support grouting material maintenance device effectively solves the problems that at present, the means of manually spraying water to maintain bridge support grouting materials at regular time is tedious, and the maintenance effect is poor.

Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary devices for road and bridge construction, specifically to a drip irrigation curing system for bearing grout. Background Technology

[0002] As a vital component of transportation, bridges require consideration of material quality and construction reliability while ensuring safe and smooth passage. As a key component of bridges, the quality of the mortar used in bridge bearings significantly impacts the stability and lifespan of the entire bridge structure. Currently, the curing of bearing grout mainly relies on manual, timed watering. However, due to limitations imposed by the construction area, the load-bearing capacity of hoisting machinery, and manual allocation, the current method of bearing grout curing is cumbersome and fails to achieve ideal results. This is the motivation behind this application. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a drip irrigation curing system for bridge bearing grout, so as to solve the problem that the current method of manually sprinkling water to cure bridge bearing grout is cumbersome and the curing effect is poor.

[0004] To solve the above problems, this utility model provides the following technical solution:

[0005] A drip irrigation curing system for bearing grout includes a bridge pier; a precast box girder is arranged above the bridge pier by a bridge erecting machine; a bearing casting template is detachably installed at the top of the bridge pier opposite the precast box girder; bearing grout is poured into the bearing casting template; a water-permeable layer is covered on the surface of the bearing grout; a protective membrane is covered on the bearing casting template; several drip irrigation pipes are installed on the protective membrane; the drip irrigation pipes communicate with the interior of the protective membrane; the other end of the drip irrigation pipe is connected to a water bucket, and water can enter the interior of the protective membrane through the drip irrigation pipe.

[0006] Preferably, the bucket is placed on the precast box girder; and the minimum height of the bucket is greater than the height of the connection between the protective membrane and the drip irrigation pipe.

[0007] Preferably, the water tank includes a main water tank and several secondary pressure-stabilizing water tanks; the main water tank and the secondary pressure-stabilizing water tanks are connected by water pipes; and the drip irrigation pipe is connected to the secondary pressure-stabilizing water tanks.

[0008] Furthermore, there are two piers, with each end of the precast box girder corresponding to one of the two piers; both piers are equipped with support casting templates and support grouting material; there are two sets of secondary pressure-stabilizing water tanks, which are respectively set at the ends of the precast box girder, so as to simultaneously provide drip irrigation water to the support grouting material on both piers.

[0009] Preferably, the protective membrane is an annular structure surrounding the outer periphery of the casting template of the support, with its top connected to the bottom of the precast box girder directly opposite.

[0010] Preferably, there are no fewer than two drip irrigation pipes on a single protective membrane, and the outlets of these drip irrigation pipes are symmetrically distributed on the permeable layer in the protective membrane.

[0011] Preferably, a speed control valve is also provided on the drip irrigation pipe to control the flow rate of water droplets dripping into the protective membrane.

[0012] The beneficial effects of this utility model are:

[0013] This method solves the problem of constantly watering to keep the grout moist, effectively promoting early strength of the grout and inhibiting crack formation. It effectively avoids problems such as uneven watering, difficulty in manual operation, and untimely curing. Furthermore, the use of drip irrigation with a membrane for curing the grout achieves a win-win situation in terms of both progress and efficiency, providing valuable experience for similar projects and demonstrating broad technical application prospects. This method not only ensures excellent curing of the pier concrete but is also convenient, labor-saving, and recyclable, making it economical and cost-effective. It improves labor productivity and reduces costs. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention in an embodiment;

[0015] Figure 2 This embodiment shows a partial cross-sectional view at the location of the casting template for a single support.

[0016] Figure 3 yes Figure 1 Cross-sectional view of the device along the AA direction

[0017] Explanation of reference numerals in the attached drawings: 1. Pier, 2. Precast box girder, 3. Support casting formwork, 4. Support grouting material, 5. Permeable layer, 6. Protective membrane, 7. Drip irrigation pipe, 8. Water bucket, 8A. Main water bucket, 8B. Secondary pressure stabilizing water bucket, 9. Speed ​​regulating valve. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0019] Example:

[0020] Reference Figure 1 This embodiment provides a drip irrigation curing system for bearing grout.

[0021] It includes a bridge pier 1; a precast box girder 2 is arranged above the bridge pier 1 by a bridge erecting machine; a support casting template 3 is detachably installed at the top of the bridge pier 1 opposite to the precast box girder 2; support grouting material 4 is poured into the support casting template 3; a water-permeable permeable layer 5 is covered on the surface of the support grouting material 4; in this embodiment, cotton cloth is used as the material for the permeable layer; a protective film 6 is covered on the support casting template 3; several drip irrigation pipes 7 are set on the protective film 6; the drip irrigation pipes 7 are connected to the interior of the protective film 6; the other end of the drip irrigation pipes 7 is connected to a water bucket 8 containing water, and water can enter the interior of the protective film 6 through the drip irrigation pipes 7.

[0022] The water bucket 8 is placed on the precast box girder 2; and the minimum height of the water bucket 8 is greater than the height at the junction of the protective membrane 6 and the drip irrigation pipe 7. In this embodiment, the water bucket 8 is placed in the bridge opening of the precast box girder 2;

[0023] The water tank 8 includes a main water tank 8A and several secondary pressure-stabilizing water tanks 8B; the main water tank 8A and the secondary pressure-stabilizing water tanks 8B are connected by water pipes; the drip irrigation pipe 7 is connected to the secondary pressure-stabilizing water tanks 8B.

[0024] There are two piers 1, and the two ends of the precast box girder 2 are respectively set on the two piers 1; on both piers 1, there are support casting templates 3 and support grouting material 4; there are two sets of secondary pressure stabilizing water tanks 8B, which are respectively set at the port positions on both sides of the precast box girder 2, so as to simultaneously provide drip irrigation water to the support grouting material 4 on the two piers.

[0025] The protective membrane 6 is a ring structure that surrounds the outer periphery of the casting template 3 of the support, and its top is connected to the bottom of the precast box girder 2 directly opposite it.

[0026] There are no fewer than two drip irrigation pipes 7 installed on a single protective membrane 6, and the outlets of these drip irrigation pipes 7 are symmetrically distributed on the permeable layer in the protective membrane, and the outlets of the drip irrigation pipes are placed on cotton cloth.

[0027] A speed control valve 9 is also installed on the drip irrigation pipe 7. The speed control valve 9 is used to control the flow rate of water droplets dripping into the protective membrane 6.

[0028] When using the utility model device in this embodiment, the following process can be followed:

[0029] 1. After installing the support casting template on the top of the bridge pier, pour the support grout into the template. After the pouring is completed and the initial setting strength of the concrete is met, gently place cotton cloth as a water-permeable layer on the surface of the support grout.

[0030] 2. Set up a protective membrane around the formwork for the support casting and install the drip irrigation pipe at the designated position on the protective membrane; after the surface layer of the support grout is submerged, adjust the water flow rate through the speed control valve; thus, the curing stage begins.

[0031] 3. During the curing stage, simply keep adding water to the bucket. 24 hours after curing begins, check whether the grouting material meets the standard strength requirements and check whether there are cracks, depressions, protrusions, or defects on the surface of the grouting material. Once it meets the qualified standards, demolding can be carried out. When demolding, prevent collisions between the demolding material and the finished grouting material. Then, remove other structures.

[0032] The following is a detailed breakdown of the costs incurred by drip irrigation maintenance compared to manual maintenance in this embodiment.

[0033]

[0034] Clearly, drip irrigation curing can effectively reduce production costs, and through scientific and reasonable mix design and strict control of construction technology, it can significantly improve the strength, durability, adhesion, and impermeability of the finished mortar. Although there are certain costs and construction difficulties, the improvement in finished product quality will bring significant safety and economic benefits. Monitoring and testing the quality of the finished mortar is also crucial to ensure that it meets the standard requirements. In practice, it is necessary to weigh various factors and comprehensively consider economy, feasibility, and long-term benefits to find the best solution for improving the quality of bridge bearing mortar.

Claims

1. A drip-irrigation curing system for bearing grout, comprising a bridge pier (1); a precast box girder (2) arranged above the bridge pier (1) by a bridge erecting machine; a bearing casting template (3) detachably installed at the top of the bridge pier (1) opposite to the precast box girder (2); bearing grout (4) being poured into the bearing casting template (3); characterized in that: A permeable layer (5) is covered on the surface of the grouting material (4); a protective film (6) is covered on the casting template (3) of the support; several drip irrigation pipes (7) are installed on the protective film (6); the drip irrigation pipes (7) are connected to the interior of the protective film (6); the other end of the drip irrigation pipes (7) is connected to a water bucket (8) containing water, and water can enter the interior of the protective film (6) through the drip irrigation pipes (7).

2. The drip irrigation curing system for bearing grouting material according to claim 1, characterized in that: The bucket (8) is placed on the precast box girder (2); and the minimum height of the bucket (8) is greater than the height of the connection between the protective membrane (6) and the drip irrigation pipe (7).

3. The drip irrigation curing system for bearing grouting material according to claim 1, characterized in that: The water tank (8) includes a main water tank (8A) and several secondary pressure-stabilizing water tanks (8B); the main water tank (8A) and the secondary pressure-stabilizing water tanks (8B) are connected by water pipes; the drip irrigation pipe (7) is connected to the secondary pressure-stabilizing water tanks (8B).

4. The drip irrigation curing system for bearing grouting material according to claim 3, characterized in that: There are two piers (1), and the two ends of the precast box girder (2) are respectively set to the two piers (1); the support casting template (3) and support grouting material (4) are set on both piers; there are two sets of secondary pressure stabilizing water tanks (8B), which are respectively set at the port positions on both sides of the precast box girder (2), so that they can simultaneously provide drip irrigation water to the support grouting material (4) on the two piers.

5. The drip irrigation curing system for bearing grouting material according to claim 1, characterized in that: The protective membrane (6) is a ring structure around the outer periphery of the casting template (3) of the support, and its top is connected to the bottom of the precast box girder (2) directly opposite.

6. The drip irrigation curing system for bearing grouting material according to claim 1, characterized in that: There are no fewer than two drip irrigation pipes (7) installed on a single protective membrane (6), and the outlets of these drip irrigation pipes (7) are symmetrically distributed on the permeable layer in the protective membrane.

7. The drip irrigation curing system for bearing grouting material according to claim 1, characterized in that: A speed control valve (9) is also installed on the drip irrigation pipe (7). The speed control valve (9) is used to control the flow rate of water droplets dripping into the protective membrane (6).

Images