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一、前言陕西省焦化厂位于石川河东岸的Ⅱ级阶地上,紧靠咸铜铁路梅家坪车站东侧,该厂回收车间土建部分70年基本建成,72年即由于地基浸水湿陷,部分厂房开裂,设备基础倾斜;74年湿陷事故进一步发展,造成回收车间的鼓风机室及油泵房等建筑墙面屋面严重开裂,最大裂缝宽达70毫米,最大沉降差超过20厘米。尤其是对不均匀沉降十分敏感的高达23米的洗氨、洗苯、洗萘塔群塔顶倾斜了15厘米,严重威脊焦炉生产,并使蒸氨工段长期不能投产,给国家造成较大损失。
I. INTRODUCTION The coking plant of Shaanxi Province is located on the Class II terrace of the east bank of the Ishikawa River, close to the east side of the Meijiaping Station on the Xiantong-Chongqing Railway. The civil construction part of the recycling workshop of the plant was basically completed in 70 years, and 72 years due to the collapse of the foundation water, some The plant was cracked and the equipment foundation was tilted; the wet collapse accident further developed in the year of 2014, causing severe cracking of the roof of the building’s blower room and oil pump room, with a maximum crack width of 70 mm and a maximum settlement of more than 20 cm. Especially for the highly sensitive sedimentation of up to 23 meters of ammonia washing, washing benzene, washing naphthalene tower top tilted 15 centimeters, a serious Wei ridge coke oven production, and long-term ammonia ammonia can not be put into operation, to the country caused by Big loss.