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Monitoring ground temperature and deformation of the cast-in-place footings in permafrost regions on the Qinghai-Tibet Plateau: 《Advances in Climate Change Research》2024年第5期963-975,共13页Chao-Wei WANG Yan-Hui YOU Bin YAO Bin LIU Pei-Heng GUO Lei GUO Xin-Bin WANG Qi-Hao YU; supported by the National Natural Science Funds of China(42071095,41801039);the Key Research Program of Frontier Sciences,CAS(ZDBS-LY-DQC026);the Foundation of the State Key Laboratory of Frozen Soil Engineering(SKLFSE-ZT-202106).; The long-term stability of the cast-in-place footings in permafrost regions has received much attention due to its climate sensitivity.The current research lacks long-term data validation,especially in the context of ...; 关键词：PERMAFROST THERMOSYPHON Tower footings Cooling effect Thermal stability

Application of a concrete thermal pile in cooling the warming permafrost under climate change被引量：2: 《Advances in Climate Change Research》2024年第1期170-183,共14页Yun-Hu SHANG Fu-Jun NIU Guo-Yu LI Jian-Hong FANG Ze-Yong GAO; supported by the National Natural Science Foundation of China (42001063,U2268216,42176224);the Natural Science Foundation of Gansu Province (23JRRA660,21JR7RA051);the Science and Technology Project of State Grid Corporation of China (5200-202230098A-1-1-ZN);the program of State Key Laboratory of Frozen Soil Engineering (SKLFSE-ZT-202120).; Permafrost degradation caused by climate warming is posing a serious threat to the stability of cast-in-place pile foundations in warm permafrost regions.Ambient cold energy can be effectively utilized by two-phase cl...; 关键词：Heat transfer Cold energy Warm permafrost Two-phase closed thermosyphons Cast-in-place pile foundation

Field observation of the thermal disturbance and freezeback processes of cast-in-place pile foundations in warm permafrost regions被引量：1: 《Research in Cold and Arid Regions》2023年第1期18-26,共9页Xin Hou Ji Chen YouQian Liu PengFei Rui JingYi Zhao ShouHong Zhang HaiMing Dang; supported by the Natural Science Foundation of China (Grants No.41101065);the State Key Laboratory of Frozen Soil Engineering Funds (SKLFSE-ZT-34,SKLFSE-ZQ-202103).; The bearing capacity of pile foundations is affected by the temperature of the frozen soil around pile foundations.The construction process and the hydration heat of cast-in-place(CIP)pile foundations affect the therm...; 关键词：PERMAFROST Cast-in-place pile foundations Thermal disturbance Freezeback process Initial concrete temperature

Construction Technology of Cantilever Support for Continuous Rigid Frame Side Span Cast-in-place Section: 《外文科技期刊数据库(文摘版)工程技术》2022年第7期101-106,共6页JIQingfeng; In the construction of cast-in-place section of side span of continuous rigid frame bridge, traditional construction methods such as landing support method and steel pipe column method are adopted. When the height of ...; 关键词：side span cast-in-place section cantilever bracket TECHNOLOGY

Analysis of the Key Points of Concrete Pouring Maintenance and Quality Control in Cast-in-Place Box Girder Project: 《外文科技期刊数据库(文摘版)工程技术》2022年第6期010-013,共4页LIUZhun; With the acceleration of urbanization, a large number of new-type buildings appear constantly, and building construction has become a normal activity in every city. The process of building construction is a complex an...; 关键词：cast-in-place box project concrete pouring and curing key points of quality control

Construction Technology of Prefabricated I-beam Cast-in-place Bridge Deck by Pre-tension Broken Line Method: 《外文科技期刊数据库(文摘版)工程技术》2022年第6期098-103,共6页XIAOQinguang ZHENGZhenyue; In the construction of cast-in-place bridge deck of prefabricated I-beam by pretension folding line method, I-beam is used as the main stress support, well-shaped support is used on the inner side, triangular stable s...; 关键词：pre-tension polyline method PREFABRICATED I-BEAM

Comparison of the Cost of Prefabricated Buildings and Traditional Cast-in-place Buildings: 《外文科技期刊数据库(文摘版)工程技术》2022年第4期100-103,共4页LIULiu; The prefabricated building itself has many incomparable advantages over the cast-in-place building, and has a broad application and development space. with the development of the construction industry, prefabricated b...; 关键词：prefabricated building cast-in-place type engineering cost cost control

Reduce Slurry Leakage at Joints between PC Composite Slabs and Cast-in-place Beam Slabs: 《外文科技期刊数据库(文摘版)工程技术》2022年第1期225-232,共8页ZHANGQianlu LIShijun LIUXinping ZHOUChichen YANZhiyang; The construction site of this project is located at the southeast corner of the intersection of Tonghui South Road and Nanxiu Road in Xiaoshan District of Hangzhou City, with a construction land area of approximately ...; 关键词：PC laminated board cast-in-place beam slab JOINTS slurry leakage

Seismic performance of precast bridge columns connected with grouted corrugated-metal duct through biaxial quasi-static experiment and modeling被引量：5: 《Earthquake Engineering and Engineering Vibration》2021年第3期747-770,共24页Xia Zhanghua Lin Shangshun He Yongbo Ge Jiping Sun Jinlei; National Natural Science Foundation of China under Grant No.51408360;the Natural Science Foundation of Fujian(NSFF)under Grant No.2020J01477;the Technology Project of Fuzhou Science and Technology Bureau(TPFB)under Grant No.2020-GX-18。; In this paper,the seismic behaviors of precast bridge columns connected with grouted corrugated-metal duct(GCMD)were investigated through the biaxial quasi-static experiment and numerical simulation.With a geometric s...; 关键词：precast bridge column cast-in-place column grouted corrugated-metal duct connection biaxial quasi-static test seismic performance hysteresis energy

Bearing Behavior of Cast-in-Place Expansive Concrete Pile in Coral Sand Under Vertical Loading被引量：2: 《China Ocean Engineering》2021年第3期352-360,共9页DING Xuan-ming DENG Wei-ting PENG Yu ZHOU Hang WANG Chun-yan; financially supported by the National Natural Science Foundation of China(Grant Nos.51878103 and 41831282);the Innovation Group Science Foundation of the Natural Science Foundation of Chongqing,China(Grant No.cstc2020jcyj-cxtt X0003)。; The low side friction of piles in coral sand results in the low bearing capacity of foundations.In this paper,expansive concrete pile is utilized to improve the bearing capacity of pile foundations in coral sand.Both ...; 关键词：bearing behavior expansive concrete pile coral sand side friction numerical simulation

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