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CAP1400 1

一维应力波 1

传播与演化 1

先进非能动技术 1

后压浆 1

大数据;大数据存储;NoSQL数据库;分布式数据库;CAP定理;可扩展性;一致性-分区弹性;可用性-分区弹性 1

岩石介质 1

工艺 1

帽盖模型 1

影响因素 1

总体设计 1

承载力 1

技术创新 1

无收缩 1

桩基厚承台 1

纤维增强混凝土 1

自主化 1

自流平 1

钢管复合桩;埋床法预制墩台;?75 mm预应力粗钢筋;正交异性钢桥面板;1 860 MPa斜拉索; 减隔震 1

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CAP1400 的总体设计和技术创新 Review

郑明光,严锦泉,申屠军,田林,王煦嘉,邱忠明

《工程(英文)》 2016年 第2卷 第1期   页码 97-102 doi: 10.1016/J.ENG.2016.01.018

摘要:

压水堆CAP1400是基于中国核工业研发体系和装备制造能力以及非能动压水堆AP1000 的引进和消化吸收,并经过集成创新与再创新而形成的具有自主知识产权的第三代非能动先进压水堆核电型号。本文通过对CAP1400的总体设计思路、主要性能指标和技术参数、电站安全设计,以及在安全性、经济性和先进性等方面的阐述,论述了CAP1400作为第三代压水堆堆型的技术内涵和技术创新。此外,作为国家科技重大专项的成果,CAP1400型号的研发促进了中国自主核电在研发设计、试验和设备制造水平方面的整体提升,实现了核电设计与装备技术由第二代到第三代的升级。

关键词: CAP1400     先进非能动技术     总体设计     自主化     技术创新    

Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

《结构与土木工程前沿(英文)》 2009年 第3卷 第1期   页码 93-100 doi: 10.1007/s11709-009-0015-4

摘要: Rectangular-closed-diaphragm-wall foundation is a new type of bridge foundation. Diaphragm wall-soil-cap interaction was studied using a model test. It was observed that the distribution of soil resistance under the cap is not homogeneous. The soil resistance in the corner under the cap is larger than that in the border; and that in the center is the smallest. The distribution of soil resistance under the cap will be more uniform, if the sectional area of soil core is enlarged within a certain range. Due to the existence of cap, there is a “weakening effect” in inner shaft resistance of the upper wall segments, and there is “enhancement effect” in the lower wall segments and in toe resistance. The load shearing percentage of soil resistance under the cap is 10%-20%. It is unreasonable to ignore the effects of the cap and the soil resistance under the cap in bearing capacity calculations.

关键词: diaphragm wall     bridge foundation     low cap     interaction    

Optimization design of spar cap layup for wind turbine blade

Jie ZHU, Xin CAI, Pan PAN, Rongrong GU

《结构与土木工程前沿(英文)》 2012年 第6卷 第1期   页码 53-56 doi: 10.1007/s11709-012-0147-9

摘要: Based on the aerodynamic shape and structural form of the blade are fixed, a mathematical model of optimization design for wind turbine blade is established. The model is pursued with respect to minimum the blade mass to reduce the cost of wind turbine production. The material layup numbers of the spar cap are chosen as the design variables; while the demands of strength, stiffness and stability of the blade are employed as the constraint conditions. The optimization design for a 1.5 MW wind turbine blade is carried out by combing above objective and constraint conditions at the action of ultimate flapwise loads with the finite element software ANSYS. Compared with the original design, the optimization design result achieves a reduction of 7.2% of the blade mass, the stress and strain distribution of the blade is more reasonable, and there is no occurrence of resonance, therefore its effectiveness is verified.

关键词: wind turbine blade     spar cap layup     optimization design     blade mass    

The Supply Chain Contract Design under Cap-and-Trade Mechanism with Free Riding

Fu-qiang Wang,Jun Liu

《工程管理前沿(英文)》 2015年 第2卷 第3期   页码 277-286 doi: 10.15302/J-FEM-2015049

摘要: This paper studies the influence of free riding on enterprise product pricing and carbon emissions reduction investment, as well as the contract design to achieve supply chain coordination under the carbon trading mechanism. First, we discuss the situation where carbon emissions reduction investment affects the product price and income. It demonstrates that the optimal investment of the upstream manufacturer increases with the degree of the free riding of the downstream manufacturer. The upstream manufacturer can improve their carbon reduction investment and the whole supply chain achieves Pareto improvement when the investment cost sharing contract is introduced. Nevertheless, under the cost-sharing contract the optimal investment of the decentralized supply chain is still lower than that of the centralized supply chain, and only in some particular cases can the two types of supply chain achieve equal total profits. Then, we preliminarily explore the situation where the product price and income is influenced by carbon emissions reduction investment. The consequences indicate that the optimal investment of the upstream manufacturers in this situation is less than the former one’s, and the transfer payment mechanism is able to improve the level of the supply chain overall carbon emissions-reduction. Moreover, compared to the former situation, the effects of free riding of the downstream manufacturer are even more serious. The conclusions can provide some intellectual support for manufacturing enterprises to make reasonable emissions reduction strategies and coordinate the supply chain existing in free riding.

关键词: carbon emissions reduction     free riding     supply chain contract design     cap-and-trade    

Internal incentives and operations strategies for the water-saving supply chain with cap-and-trade regulation

Zhisong CHEN, Li FANG, Huimin WANG

《工程管理前沿(英文)》 2019年 第6卷 第1期   页码 87-101 doi: 10.1007/s42524-019-0006-7

摘要:

Faced with the rapid development of modern industries of agriculture, manufacturing, and services, water resources are becoming increasingly scarce. Industries with high water consumption are generally regulated by the government’s water cap-and-trade (CAT) regulation to solve the contradiction between the limited water supply and the rapid growing water demand. Supply chain equilibrium and coordination models under the benchmark scenario without water saving and CAT regulation, water-saving supply chain equilibrium and coordination models under the scenario without/with CAT regulation are developed, analyzed and compared. The corresponding numerical and sensitivity analyses for all models are conducted and compared, and the managerial insights and policy recommendations are summarized in this article. The results indicate that (1) Conducting water saving could improve effectively the operational performance of the water-saving supply chain under the scenario without/with CAT regulation. (2) The coordination strategy based on the revenue sharing contract could efficiently coordinate the water-saving supply chain, enhance water consumption reduction rate, and improve the operational performance of the water-saving supply chain. (3) The implementation of CAT regulation enhances effectively water-consumption-reduction in the water-saving supply chain and improves the operational performance of water-saving supply chain. (4) Simultaneous implementation of CAT regulation by the government and adopting coordination strategy by the water-saving supply chain would be superior to any other scenarios/strategies. (5) A suitable water cap based on the industrial average water consumption and historical water consumption data are beneficial for constructing reasonable and effective incentive mechanism. (6) A higher marginal trade price could induce more reduction in water consumption and create better operational performance for the manufacturer and water-saving supply chain, both under the equilibrium and coordination strategies.

关键词: water-saving supply chain     equilibrium     coordination     internal incentive     cap and trade regulation    

钢纤维混凝土厚承台承载力影响因素分析

孙成访,谷倩,陈习子,彭少民

《中国工程科学》 2003年 第5卷 第6期   页码 79-83

摘要:

在完成30个缩尺模型为1∶5的二桩混凝土和钢纤维混凝土承台试件的试验研究中,通过改变混凝土强度、钢纤维体积率、承台有效厚度、配筋量及配筋方式,观察和记录了不同条件下桩承台裂缝的开展与分布,承台底部中点挠度、侧边混凝土应变和底部受拉钢筋应变,并系统地分析了影响钢纤维混凝土二桩厚承台极限承载力的主要因素。分析结果为进一步研究钢纤维混凝土二桩承台的抗冲切、抗剪及配筋计算提供了试验基础,并为《钢纤维混凝土结构技术规程》的修订提供了背景材料。

关键词: 钢纤维     纤维增强混凝土     桩基厚承台     承载力     影响因素    

大数据存储技术综述 Review

Aisha SIDDIQA, Ahmad KARIM, Abdullah GANI

《信息与电子工程前沿(英文)》 2017年 第18卷 第8期   页码 1040-1070 doi: 10.1631/FITEE.1500441

摘要: 我们使用布鲁尔的CAP定理比较和分析了现有存储方法,评估了不同存储架构的性能,讨论了存储技术的意义、应用及其对其他类别数据的支持。

关键词: 大数据;大数据存储;NoSQL数据库;分布式数据库;CAP定理;可扩展性;一致性-分区弹性;可用性-分区弹性    

非均质岩体中一维应力波演化过程分析

钟光复,王志亮,李永池

《中国工程科学》 2006年 第8卷 第5期   页码 58-62

摘要:

地下球形药包爆轰后将产生很强的地震波,其传播受到多种因素的影响。把岩石介质的弹塑性帽盖模型耦合到有限差分法程序中,对一维爆轰波在非均质岩石体中的传播、演化机理进行了数值模拟与分析;着重探讨了一维应力波从“硬”岩石层进入“软”岩石层、从“软”岩石层进入“硬”岩石层时,波在形状和强度等方面的变化规律;同时探讨了岩石介质中存在的“软弱夹层”对一维应力波传播的影响。

关键词: 岩石介质     一维应力波     帽盖模型     传播与演化    

大跨径悬索桥钢塔塔底钢混连接处承压板后压浆施工技术

张平,蒋建,董勤军,蔡伟,刘颖

《中国工程科学》 2010年 第12卷 第4期   页码 53-57

摘要:

泰州大桥为三塔两跨悬索桥,中塔纵桥向为人字型钢塔,两条斜腿在塔座顶面用螺杆锚固,通过钢塔D0段承压板与塔座顶面传递压力。塔座顶面混凝土具有双向斜坡度,在塔座顶面预留压浆空隙,待钢塔D0段安装定位后,再对预留空隙采用压浆机压入无收缩高强度水泥浆作为承压板的支承面。文章简要介绍了D0段承压板压浆施工技术及施工工艺。

关键词: 高强度     自流平     无收缩     后压浆     工艺    

港珠澳大桥设计理念及桥梁创新技术

孟凡超,刘明虎,吴伟胜,张革军,张 梁

《中国工程科学》 2015年 第17卷 第1期   页码 27-35

摘要:

介绍了港珠澳大桥的工程概况、建设目标和总体设计方案,重点阐述了以“大型化、工厂化、标准化、装配化”的设计理念和总体原则指导下,设计采用的新材料、新技术、新工艺、新设备。创新技术的应用,为提高工程品质、确保设计使用寿命提供了坚实基础和有利保障。

关键词: 钢管复合桩;埋床法预制墩台;?75 mm预应力粗钢筋;正交异性钢桥面板;1 860 MPa斜拉索; 减隔震    

标题 作者 时间 类型 操作

CAP1400 的总体设计和技术创新

郑明光,严锦泉,申屠军,田林,王煦嘉,邱忠明

期刊论文

Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

期刊论文

Optimization design of spar cap layup for wind turbine blade

Jie ZHU, Xin CAI, Pan PAN, Rongrong GU

期刊论文

The Supply Chain Contract Design under Cap-and-Trade Mechanism with Free Riding

Fu-qiang Wang,Jun Liu

期刊论文

Internal incentives and operations strategies for the water-saving supply chain with cap-and-trade regulation

Zhisong CHEN, Li FANG, Huimin WANG

期刊论文

钢纤维混凝土厚承台承载力影响因素分析

孙成访,谷倩,陈习子,彭少民

期刊论文

大数据存储技术综述

Aisha SIDDIQA, Ahmad KARIM, Abdullah GANI

期刊论文

非均质岩体中一维应力波演化过程分析

钟光复,王志亮,李永池

期刊论文

大跨径悬索桥钢塔塔底钢混连接处承压板后压浆施工技术

张平,蒋建,董勤军,蔡伟,刘颖

期刊论文

港珠澳大桥设计理念及桥梁创新技术

孟凡超,刘明虎,吴伟胜,张革军,张 梁

期刊论文