Novel pasting combined type drainage structural member

Abstract

The invention discloses a novel pasting combined type drainage structural member, belonging to the field of drainage structural members for soft soil foundation construction. The traditional filter membrane layer structure usually sinks into a drainage channel and is cut by the side wall (rack) of the drainage channel under the action of lateral pressure, or has unsatisfactory water permeability. The novel pasting combined type drainage structural member comprises a plurality of longitudinal parallel drainage channel core plates or filter membrane layers, which are made of plastic or synthetic resin, and the drainage channel is arranged on at least one of the front side or the back side of each core plate. The novel pasting combined type drainage structural member is characterized in that at least one filter membrane layer coats the front side and the back side of each core plate, and the width of each film membrane layer is not less than that of each core plate, and the long edge of each filter membrane layer is fixedly bonded with the side end of each core plate through a bonded seam adhesive tape. The invention has the advantages of less adhesive consumption, high water permeability, good integral strength, high production efficiency and low cost, and the film membrane layers and the core plates are fixedly compounded and bonded and are difficult to collapse and fall off.

Description

【Technical field】 [0001] The invention relates to a novel paste composite drainage component, which belongs to the technical field of drainage components for soft soil foundation construction. 【Background technique】 [0002] Soft soil foundation with high water content does not meet the requirements of civil construction. In the prior art, a plate-shaped drainage member is often inserted into the foundation to drain the water contained in the foundation. The plate-shaped drainage member is widely used in the drainage construction of soft soil foundation and silt soil drainage consolidation process in engineering construction. [0003] The usual plate-shaped drainage components include a core plate made of plastic or synthetic resin with longitudinal drainage channels formed by multiple grooves on one or both sides. cloth filter layer. During construction, when the plate-shaped drainage components are used in the vertical direction in the deep soft foundation within 50 met...

AI Technical Summary

Problems solved by technology

In addition, in order to maximize the space of the drainage channel and reduce the production cost, the side wall of the drainage channel is usually a rack with a narrow width protruding outwards. The top surface of the rack is small, and the filter membrane layer is glued to the top surface of the rack. The joint area is small, in order to ensure the firmness of the bonding and fixing, a large amount of glue is required, and an additional drying process must be added, which reduces the production efficiency and also increases the production cost

Although such a structure guarantees the overall strength of the drainage components and the space of the drainage channel, the glue reduces the efficiency of the foundation water entering the drainage channel through the filter membrane layer, which has a great impact on the water permeability of the filter membrane layer. The overall drainage performance of the component is not high; and the long edge of the filter membrane layer is not firmly bonded to the left and right sides of the core plate. The filter membrane layer of the component loses the function and effect of separating the soil

[0004] Furthermore, the rack with a narrower width is relatively soft when it is bent laterally under force in the foundation, and is not stiff enough. It is prone to creases when it is bent longitudinally, which will cause the drainage channel to stop flowing, which will also reduce the space of the drainage channel. Small, affecting the water flow performance and the normal function of the product

However, in order to achieve sufficient stiffness of the rack, it is necessary to increase the width of the rack and use more raw materials, resulting in a significant increase in production costs

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