A method and device for forming a rammed earth wall based on phase change solidified soil

A forming device and technology for rammed earth walls, which are applied in chemical instruments and methods, fertilization devices, walls, etc., can solve the problems of failure to realize rapid construction of rammed earth walls, restrictions on the promotion and application of rammed earth walls, and thermal insulation and storage of walls Problems such as poor thermal conditions, to achieve the effect of speeding up installation and dismantling, reasonable structure, and low-cost construction

CN106639005BInactive Publication Date: 2018-10-30NORTHWEST A & F UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2018-10-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a rammed-earth wall forming method and device based on phase change solidified soil. The rammed-earth wall forming device comprises a supporting framework, a wall formwork, precast pore channel formworks, a traction system, a wall heat storage air duct forming rod, a stirring and filling device, an automatic feed device, a leveling device and a ramming column. The rammed-earth wall forming device based on the phase change solidified soil is reasonable in structure, a new path is developed for construction of a rammed-earth wall, a travelling self-assembly formwork system is creatively developed and can travel along a concrete cushion layer precast in advance under traction of a traction engine, and automatic positioning and fixing forming are conducted after the system is in place. By adoption of the rammed-earth wall forming method, mounting and dismounting of the rammed-earth wall formwork are greatly accelerated, automation of the whole process is achieved, and the new path is developed for rapid and low-cost construction of the rammed-earth wall.
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Description

technical field

[0001] The invention relates to an earth wall rapid forming machine, in particular to a method and device for forming a rammed earth wall based on phase-change solidified soil. Background technique

[0002] Block-building rammed-earth walls is the earliest method of building city walls in my country. It uses wooden boards as molds, fills with clay or limestone, and rams them layer by layer with a pestle. Some are rammed with clay and sand, and then sandwiched with tamarisk or reed branches, and some are built with soil, sand, lime and gravel. The height of the wall is generally about twice the thickness of the bottom. , the top width is one-fourth to one-fifth of the wall height, so the traditional rammed earth wall has obvious shrinkage, and this kind of wall has a certain bearing capacity.

[0003] At present, the general process used in conventional rammed earth wall construction is the following steps. First, the improved formwork is used to greatly incr...

Examples

Embodiment 1

[0035] see Figure 1 ~ Figure 4 , the present embodiment proposes a rammed earth wall forming device based on phase-change solidified soil, including a support frame 3 and a wall form 9 installed on the support frame 3, and the two ends of the wall form 9 are provided with prefabricated tunnels Template 11, the vertical direction of the prefabricated tunnel template 11 is provided with multi-layer round holes, the prefabricated tunnel template 11 and the wall template 9 form a wall cavity, and the wall cavity is used for compacting the soil wall;

[0036] The prefabricated tunnel template 11 skillfully divides the rammed earth wall into standard sections one by one. On the one hand, this division is suitable for the design of the optimal formwork length of the rammed earth wall forming device, on the other hand, it also enables the heat storage channels in the rammed earth wall to be formed regularly and reliably, and at the same time, it also provides a good foundation for th...

Embodiment 2

[0049] This embodiment provides a rammed earth wall forming method based on phase change solidified soil according to the rammed earth wall forming device. The rammed earth wall built in this embodiment is used for the back wall of the greenhouse, and specifically includes the following steps:

[0050] Step 1. First, according to the width and height of the back wall of the greenhouse to be built, set the size of the wall formwork and the prefabricated tunnel formwork of the rammed earth wall device, wherein the inner side of the rammed earth wall is heat-absorbing material, and the outer side of the rammed earth wall is thermal insulation material layer, after placing the heat-absorbing and heat-insulating materials, the rammed earth forming machine will drive the hydraulic device according to the parameters of the rear wall and form the prefabricated mold of the rear wall;

[0051] Step 2, mix the phase change solidifying agent with soil, sand or Gobi gravel soil according to...

Embodiment 3

[0056] The difference between this embodiment and embodiment 2 is that the formula of phase change curing agent is set as:

[0057] Al 2 o 3 , The weight ratio of ordinary Portland cement, quicklime, calcium lignosulfonate, anhydrous sodium sulfate and water glass is: 5:80:16:0.2:40:5.