预应力下撑式拉杆加固法在不停产加固工程中的应用韩继云，万墨林（中国建筑科学研究院建筑结构研究所）１工程情况某矿务局选煤楼为３５ｍ高的钢筋混凝土框架结构。于１９５９年建成，至今已有三十多年的使用历史。当初选煤楼是按简易投产兴建，随着生产规模扩大，产煤量... Application of prestressed lower strut-type tie rod reinforcement method in non-stopping reinforcement project Han Jiyun, Wan Molin (Institute of Building Structure, China Academy of Building Research) 1 Project condition A coal mine building is a 35m-high reinforced concrete frame structure . Built in 1959, it has been used for more than 30 years. When the initial selection of coal is based on simple production and construction, with the expansion of production scale, coal production capacity...