挑染
发表于 2025-3-21 16:16:59
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vanquish
发表于 2025-3-21 22:39:36
Die Messe als Networking-Plattform,by means of wire ties built into a concrete lintel at the rear, is shown Fig. 30(C). The arch is built first and the ties left projecting at the back, the rear concrete lintel is then “cast .” (Fig. 30(D)). Galvanized steel lintels are available and Fig. 30(E) shows the Dorman Long lintel designed to support both leaves of a cavity wall.
Frequency
发表于 2025-3-22 00:45:34
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自爱
发表于 2025-3-22 07:43:57
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鸽子
发表于 2025-3-22 09:25:51
https://doi.org/10.1007/978-3-658-00549-8 concrete has adequate strength to combat the compression, but being comparatively weak in tension, needs to be reinforced with steel rods where tensile stresses occur, if this is not done, the lintel will crack along the bottom and eventually fail (Fig. 18(A)).
投射
发表于 2025-3-22 14:06:28
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充满装饰
发表于 2025-3-22 18:52:23
Damp-proof courses, damp-proof courses, combined with effective construction around openings, in parapets, chimney stacks etc. Materials for damp-proof courses may be classified under three headings: flexible, semi-rigid and rigid.
enterprise
发表于 2025-3-23 00:08:19
Concrete lintels in brick walls, concrete has adequate strength to combat the compression, but being comparatively weak in tension, needs to be reinforced with steel rods where tensile stresses occur, if this is not done, the lintel will crack along the bottom and eventually fail (Fig. 18(A)).
brassy
发表于 2025-3-23 04:22:23
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murmur
发表于 2025-3-23 06:08:08
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