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楼主的管道埋得也太浅了,基本没开挖就埋上了,而且与footing的beam平行,这是伤害footing承重能力的
下面的有关法规供楼主参考一下:
3.8.2 Installation near and under buildings
The following applies to drains in close proximity to footings or foundations:
(a) Where a drain passes under a strip footing, its angle of intersection with the footing in the horizontal plane shalt be not less than 45°, and the minimum clearance between the top of the drain to the underside of the footing shall be 25 mm.
(b) Drains laid through footings or walls, other than below-ground external walls, shall be installed with an annular space of not less than 25 mm filled with a liner of flexible material.
(c) Pipes may be laid through below-ground external walls provided
(i) two flexible joints are provided externally within 800 mm of the external face of the wall, and such joints are not less than 600 mm apart; and
(ii) the penetration of the wall is made watertight.
(d) Where a drain is installed parallel to a footing, the trench shall be located as follows:......
(A) for single dwellings, as shown in Figure 3.4; and
(B) for all other buildings or where the requirements of Item (A) cannot be achieved, a recognized expert...... |
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