Novel antiknock composite structure of underground engineering

An underground engineering and composite structure technology, applied in underwater structures, hydraulic engineering, infrastructure engineering, etc., can solve the loss of emergency repair value of engineering, the overall collapse of underground engineering structure and surrounding rock, and the failure of explosion-proof structure to restore the material structure. and other problems to achieve the effect of maintaining integrity and restoring structure

CN110904996APending Publication Date: 2020-03-24ARMY ENG UNIV OF PLA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2020-03-24

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Abstract

The invention discloses a novel antiknock composite structure of underground engineering. The novel antiknock composite structure of the underground engineering comprises a surrounding bed, a sealed fill layer and a lining layer, wherein the sealed fill layer is arranged between the surrounding bed and the lining layer. A low-strain framework hole concrete material is arranged in the sealed fill layer and generates active destruction under the explosion action. The lining layer is of an underground engineering reinforced concrete lining structure. According to the novel antiknock composite structure of the underground engineering, by filling the space between surrounding rock and the lining of the underground engineering is filled with the low-strain framework hole concrete material to form the sealed fill layer, under the action of the explosion, the sealed fill layer generates active energy dissipating destruction firstly, by adjusting the thickness of the fill layer, the corresponding relationship between the energy dissipating values of the fill material of different volumes and the impact energy can be determined, and therefore the completeness of the aggregate is kept; when agrouting reinforcing method and the like is adopted, the constitutive property of the material can be recovered within a short time, and the novel antiknock composite structure of the underground engineering has the capacity to exert in-situ rapid repair.
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Description

technical field

[0001] The invention relates to the field of anti-explosion structures, in particular to a novel anti-explosion composite structure for underground engineering. Background technique

[0002] Due to the particularity and complexity of the underground environment where underground engineering is located, once a traditional underground engineering is affected by disasters (mainly sudden disasters such as earthquakes, terrorist attacks, and weapon strikes), the underground engineering structure and surrounding rocks are prone to overall collapse, resulting in Lost repair value.

[0003] The existing explosion-proof structure of underground engineering cannot restore the structural properties of the material in a short time. Contents of the invention

[0004] In order to solve the problems existing in the prior art, an embodiment of the present invention provides a novel anti-explosion composite structure for underground engineering. Described technical scheme...

Examples

Embodiment Construction

[0014] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] The invention provides a novel anti-explosion composite structure for underground engineering, see figure 1 and 2 , including: a surrounding rock layer 1, a closed filling layer 2 and a lining layer 3; the closed filling layer 2 is arranged between the surrounding rock layer 1 and the lining layer 3; A strained skeleton porous concrete material; the low strain skeleton porous concrete material is actively destroyed under the impact of an explosion; the lining layer is a reinforced concrete lining structure for underground engineering.

[0016] Further, the low-strain porous concrete material is a high-performance concrete material with equal particle size or a high-strength high-permeability concrete material.

[0017] Further...