A circular prefabricated underground granary with inner cladding steel plate

Abstract

The invention discloses a prefabricated assembly-type underground granary. The flat shape of the underground granary is round. The prefabricated assembly-type underground granary comprises a granary bottom, a plurality of prefabricated granary wall plates, a granary top and multifunctional columns, wherein the granary wall plates are arc-shaped prefabricated plate blocks; connecting devices are arranged on the peripheries of the granary wall plates; the granary wall plates can be connected with the adjacent granary wall plates and the multifunctional columns through the connecting devices; the multifunctional columns can be used for locating a granary wall; the depths that the multifunctional columns are anchored into earth are deepr than the depth of the granary bottom; the multifunctional columns are main stress components for bearing the pressure of the earth and the pressure of grains and resisting buoyant force. The prefabricated assembly-type underground granary is characterized in that the multifunctional columns are divided into several sections from tops to bottoms; the inner sides of first sections of the uppermost layer are provided with a first layer of the granary wall plates; the inner sides of the second sections are provided with a second layer of the granary wall plates; the granary wall plates are arranged until the bottommost layer of the granary wall plates by using a similar arrangement way, so as to form a round assembly-type underground granary structure; the prefabricated granary wall plates are of integral structures combined by inner-side steel plates and outer-side concrete slabs; the inner-side steel plates are connected with the outer-side concrete slabs by adopting ground anchors; further, and the left end part and the right end part are both clad with U-shaped steel plates.

Description

technical field [0001] The invention relates to the technical field of underground granaries, in particular to a circular prefabricated underground granary with inner-clad steel plates. Background technique [0002] Underground granaries are built under the shallow surface, which can store grain at low temperature all year round, maintain grain quality, inhibit the occurrence of pests, avoid fumigation with toxic chemicals, resist natural damage, and be used for both war and peace. Many experts and scholars agree that it is reasonable to promote the application of underground granaries The new system and new technology of grain storage can realize low-temperature environmental protection, energy saving and land saving, quality assurance and loss reduction, and ecological grain storage. [0003] The existing underground granaries in my country are generally located in general loess areas with low groundwater levels and suitable for sticky areas, such as cave warehouses, trump...

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Problems solved by technology

[0003] The existing underground granaries in my country are generally located in general loess areas with low groundwater levels and suitable for sticky areas, such as cave warehouses, trumpet warehouses, double-curved arch warehouses, semi-underground warehouses, and cave-shaped trumpet warehouses; Brick structure, small warehouse capacity, large floor area and low degree of mechanization

[0004] In order to build a new type of underground granary that can be popularized and applied in areas with high groundwater levels and complex geological conditions, some national patents and documents have also proposed a circular granary, a large underground rectangle surrounded by cylinders and semi-cylinders, and a pile-enclosed compound type. However, there are still some problems to be solved in the popularization and application of the above-mentioned new warehouse types, such as: (1) Underground grain storage warehouses have high standards of waterproof and moisture-proof requirements

Ensure that the warehouse body does not leak or seep water within the service life; the coiled material used is easy to age, the construction process is complex and difficult, and construction quality problems are prone to occur

(2) The wet working environment of deep foundation pit has a long construction period

After the excavation of the foundation pit and precipitation, the cast-in-place construction of the warehouse floor and the sliding form construction of the warehouse wall need to be carried out in a wet working environment for a long time, which has high labor intensity, long construction period and high construction cost

(3) The cost of foundation pit support is high

The granary of this invention also requires foundation pit excavation, which has disadvantages such as troublesome construction, high construction cost, and long construction period.

[0007] The prefabricated structure is one of the effective ways to realize the industrialization of building structures and building energy saving and emission reduction. For a long time, concrete buildings mainly adopt the traditional operation method of on-site construction, with a low degree of industrialization, water consumption, energy consumption, artificial waste, and sewage discharge. A large amount does not conform to the national sustainable development policy of energy conservation and environmental protection

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