This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.

介绍了该矿采用的高强锚网索一次支护、长环形支架二次支护以及壁后注浆的联合支护技术。

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So, to study the seismic responses of long-span cable-stayed Bridges with multi-support excitation will be very important to seismic design and seismic safety.

因此，对大跨斜拉桥在多点输入下的反应开展研究，对进行正确有效的抗震设计，确保其抗震安全性具有非常重要的意义。

youdao

So, to study the seismic responses of long-span cable-stayed Bridges with multi-support excitation will be very important to seismic design and seismic safety.

因此，对大跨斜拉桥在多点输入下的反应开展研究，对进行正确有效的抗震设计，确保其抗震安全性具有非常重要的意义。

youdao