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实用新型
CN208934713U 地下工程墙体洞门加固结构 有权

地下工程墙体洞门加固结构
摘要：
本实用新型公开了一种地下工程洞门加固结构，包括顶部钢板、底部钢板、H型钢，顶部钢板、底部钢板位于门洞需要设置门框梁的位置，H型钢位于门洞左右两侧分别与顶部钢板、底部钢板焊接，混凝土浇灌于顶部钢板、底部钢板与H型钢间，顶部钢板、底部钢板均设有两行矩形开槽，H型钢中间腹板设有圆孔。该实用新型克服了现有技术中地下洞门结构梁柱尺寸截面受限，承载力不足从而存在安全隐患的问题，提供了一种安全牢固，占用空间小的新型洞门结构。(ESM)同样的发明创造已同日申请发明专利
摘要（英）：

The utility model discloses an underground engineering portal reinforcing structure. The device comprises a top steel plate, a bottom steel plate and H-shaped steel, the top steel plate and the bottomsteel plate are located at the position, where a door frame beam needs to be arranged, of a door opening, the H-shaped steel is located on the left side and the right side of the door opening and welded to the top steel plate and the bottom steel plate respectively, concrete is poured among the top steel plate, the bottom steel plate and the H-shaped steel, and round holes are formed in middle webs of the H-shaped steel. The novel tunnel portal structure solves the problems that in the prior art, due to the fact that the size section of a beam column of an underground tunnel portal structureis limited and the bearing capacity is insufficient, potential safety hazards exist, and is safe, firm and small in occupied space.

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