DingWe don't need to buy it. Ottawa is not a earthquake zone. Wood frame house and roof is very light and flexible. It is naturally shock resistant.
I called TD insurance, it almost doubles the premium.
We don't need to buy it. Ottawa is not a earthquake zone. Wood frame house and roof is very light and flexible. It is naturally shock resistant.
各位房主,房奴们,咱们是不是都检查一下。地基是否会有地震造成的新裂缝?
(宽心丸:我的home inspector说,裂缝如果不超过一个硬币的厚度,就不用担心)
超过了也不用担心。按这里一般房子混凝土的做法,不裂倒怪了。
这次地震,渥太华的烈度大约在4(有感)到5(强烈有感)之间。这么轻的木头房子,它的混凝土基础不会有事的。汶川地震,比这厉害多了。仅绵竹/广元一带,倒塌的房子怕比加拿大历史上因地震损坏的所有房子加起来还多。我在那里呆了一个月,做震害评估,从始至终没见到任何一例地基基础破坏(当然,那里没有饱和的砂性土地基)。
要担心的,该是砖墙承重的老房子(六、七十年以上)。砖墙抗震差,老房子,灰浆会老化/风化(mortar joint deterioration),抗震更差。
另外,好多新房子,steel posts都没按规范要求做锚固(anchoring),该看看车库的梁、柱有没有动。