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      國內首個新型鋼混橋墩成功應用于蘭永臨高速公路

      作者:admin 來源:未知 點擊數: 发布时间:2025-05-18 15:37:53

      中国甘肃网5月18日讯 据甘肃日报报道(新甘肃·甘肃日报记者 刘健)记者5月17日从中铁十四局了解到,5月16日,由该公司承建的兰州至永靖至临夏高速公路大夏河特大桥顺利完成首个桥墩施工,成为国内首个采用新型三肢式钢管混凝土格构柱代替传统钢筋混凝土桥墩的桥梁。

      大夏河特大橋是蘭永臨高速公路的控制性工程,橫跨臨夏縣和東鄉縣之間的大夏河,全長1409米。與傳統橋梁的鋼筋混凝土結構的橋墩不同,這座橋梁40米以上的橋墩均采用了三肢式鋼管混凝土格構柱。從外觀上看,每根橋墩由3根高聳的主鋼管及大量支管焊接而成,而鋼管的內部,則充滿了混凝土。

      “大夏河特大橋共設計了50根三肢式鋼管混凝土格構柱,最高的達到90米,具有穩定性強、結構輕便、抗震性能高的特點。”中鐵十四局現場施工負責人孟祥乾告訴記者,鋼管混凝土格構柱簡化了高墩的施工工藝,降低了安全風險,施工時間僅爲傳統工藝的三分之一。

      “這次施工中,我們采用了工業級管道內窺鏡,實現了混凝土頂升狀態的全過程盯控,確保了施工質量。”孟祥乾說。 

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      [Pg 188] "After having protested their peaceful sentiments the inhabitants of Andenne made a treacherous attack on our troops. The south-western side of the great rock of Gwalior is hewn into temples sheltering gigantic statues of Tirthankar; there are the usual bas-reliefs all over the walls, idols squatting under canopies and pagodas, slender columns supporting arches, standing out in contrast with the ochre-coloured stone. Other temples, vast halls as at Ellora—a vale of pagodas, "the happy valley"—have all disappeared under the picks of engineers, to make a dusty road to the new town of bungalows all adobe and straw thatch. One of the police in charge had a whip, and when he was leading away the old man, holding his chain he "played horses" with him, to the great amusement of the bystanders, and even of the old fellow himself. “It’s—empty—nobody in it!” he cried. Sandy, long since safe at the hangar, began to work out his puzzle. The Chiricahuas might stay there and fire at intervals as long as they listed, killing a few men perhaps. And then they might retreat quite safely, putting the barrier[Pg 277] between themselves and the pursuers. Obviously there were only two courses wherein lay any wisdom,—to retreat, or to cut off their retreat. Landor said so to the major in command. "It's an awful risk to have an old man and a civilian come down here into camp," Si complained. "And he oughtn't to go about alone. He's always been used to mingling with the quiet, honest, respectable people. Up home the people are as honest as the day is long. They're religious and peaceable, and Pap's never knowed no other kind. He wouldn't harm nobody for the world, and none o' them'd harm him. He's only a child among these toughs down here. I wisht one of us was able to be with him all the time." "No," answered the Captain; "help has been sent for for them, and there it comes." Cadnan, not knowing if this were good or bad, said nothing at all, but waited. Dodd sighed, shook his head and closed his eyes. After a second he went on. "Small beings make it," Dara corrected him. "There are such small beings, not slaves and not masters. They have no speech but they make sound." "Now, what think you of this?" demanded the abbot, when he had finished. The chapel, during all the tumult, was unnoticed, probably less through respect for the place, than from neglect; and thither those who had most to fear from the people had hastened, expecting safety from the sacredness of the spot. Among the rest, or rather leading the way, went Sudbury, who was shortly afterwards joined by the constable and treasurer, on perceiving the commons in possession of the Tower.www.gcqkl.com.cn
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