在新西兰
建retaining wall 是否需要consent 有个条件是看挡土墙是否承担房子的重量即[size=13.125px]additional load, 房子离挡土墙多远才不算承重呢, council网站没找到明确说法, 有大神懂吗. 目前需要建的挡土墙不到1米5高, 离房子大概5米远
council网站信息是:
[size=0.9375em]This exemption allows you to build a retaining wall (which is any wall constructed to retain or support the surrounding ground) without needing to get a building consent as long as it does not retain more than 1.5 metres (vertically) of ground and it includes ground water drainage in relation to retaining walls.
[size=0.9375em]
[size=0.9375em]This exemption does not apply to retaining walls that are subject to any additional load or surcharge, such as:
- vehicle driveways
- parking spaces
- swimming pools
- buildings
- other retaining walls
- sloping ground above the top of the retaining wall.
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如果1.5米高挡土墙，房子5米远，应该没有surcharge, 一般常用的是45度线，但是其实不那么准确， 准确的是soil friction angle 可能大概30度，比45度更远点
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同样5米，对于不同自重的房子，不同土质的地块，不同邻居接壤情况，荷载传递情况都不一样的，这也是为啥要BC的原因。
要敬畏大自然，有时候大家都觉得没问题，但说不定一个人在没有BC的挡土墙边沿上跳一跳，就会出问题了。当然，1.5m高度貌似也没啥危险，谁知道呢。。。
低密度农村地区的话，这个距离一般不需要BC，请专业Charted设计就好。
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谢谢两位的解答，好专业
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你去council 网站 有一个quenstionaire 做一下 google Do I need a building consent retaining wall auckland council
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https://onlineservices.aucklandc ... ION_RETAINING_WALL#