首页/ 题库 / [多选题]关于采用轴线法布设建筑物方格网的说法,正的答案

关于采用轴线法布设建筑物方格网的说法,正确的有()。

多选题
2022-01-12 04:31
A、长轴线的定位点不得少于3个
B、点位偏离直线应在90°±5″以内
C、短轴线应根据长轴线定向
D、其直角偏差应在90°±10″以内
E、水平角观测的测角中误差不应大于2.5″
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正确答案
A | C | E

试题解析
建筑方格网点的布设,应与建(构)筑物的设计轴线平行,并构成正方形或矩形格网。方格网的测设方法,可采用布网法或轴线法。当采用布网法时,宜增测方格网的对角线;当采用轴线法时,长轴线的定位点不得少于3个,点位偏离直线应在180°±5″以内,短轴线应根据长轴线定向,其直角偏差应在90°±5″以内。水平角观测的测角中误差不应大于2.5″。

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