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1基本概况1.1工程概况夹皮沟塘坝位于北京市怀柔区最北端的喇叭沟门乡东岔村北,属白河水系汤河支流。该塘坝原为蓄水12万m~3的小(二)型水库,2003年水库除险加固时,经重新勘测发现,库区淤积严重,库容已达不到水库标准,遂降格为塘坝。该塘坝建于1965年,为浆砌石
1 Basic 1.1 Project Overview Jiapi ditch pond dam is located in Huairou District, Beijing, the northern tip of Liao Gou Men Township Dong Chacun North, is a tributary of the Baihe River tributary. The dam was originally a small (ⅱ) type reservoir with a storage capacity of 120,000 m 3. In 2003, when the reservoir was reinforced and rehabilitated, it was found through re-surveying that the sedimentation in the reservoir area was serious and the reservoir capacity had reached the reservoir standard and was then downgraded to the pond dam. The dam was built in 1965 as masonry