渠江（达州南门口~广安四九滩段）航运配套工程风洞子航道整治行洪论证报告

行洪论证与河势稳定评价报告——风洞子库区7卵石河床布置了疏浚工程。部分河段地质结构松散、易被冲击垮塌的河岸进行了筑坝工程。整治内容含5处丁坝、5处炸礁和1处切咀。各工点起止点控制坐标见表2-3。表2-3风洞子库区工程工点控制点坐标表工程控制点纵坐标(X)横坐标(Y)2号丁坝坝头控制点3426591.6685490451.3872坝根控制点3426848.1174490367.98244号丁坝坝头控制点3426479.6815490321.8939坝根控制点3426707.7255490247.72726号丁坝坝头控制点3426233.8356490127.9467坝根控制点3426363.2328490036.05478号丁坝坝头控制点3426234.5838490127.8755坝根控制点3426363.1586490035.964510号丁坝坝头控制点3426139.9230490067.4434坝根控制点3426261.2794489981.94701号炸礁上游起点3424935.0219490100.9038下游止点3424584.7553490263.08202号炸礁上游起点3423739.9001492114.1652下游止点3423730.3028492124.88733号炸礁上游起点3423786.5599492196.5383下游止点3423602.1345492338.55384号炸礁上游起点3423553.1553492268.8890下游止点3423533.6521492285.25805号炸礁上游起点3423566.7143492336.0031下游止点3423560.9356492353.12211号切咀上游起点3425660.5522489980.0828下游止点3425631.5069489971.73642.1.2.2工程设计(1)炸礁工程