Chongqing - "With the accelerated construction of the New International Land-Sea Trade Corridor, the transportation network's improvement is strengthening economic connections among various countries and boosting trade frequency. This underscores the crucial role of the international transportation industry in global …
According to the analysis, this traffic planning system can effectively solve the problem of traffic congestion of Chongqing, and it also laid a solid foundation of …
By Xinyi Li, EDITOR. Chongqing needs to fully integrate into the co-construction of the Belt and Road Initiative (BRI) and the development of the Yangtze River Economic Belt, vigorously promote the construction of corridors to foreign countries, strive to build support for inland international logistics hubs, and accelerate the …
Abstract. The Caiyuanba Bridge over the Yangtze River, located between Yuzhong and Nanan districts with a main span of 420 m, was the longest arch span …
TY - CONF AU - He Gui AU - Xiang Zhang PY - 2022 DA - 2022/12/30 TI - On Construction of Cultivation Mechanism of Military-Civilian Integrated Talents in National defense Science, Technology and Industry BT - Proceedings of the 2022 5th International Conference on Humanities Education and Social Sciences (ICHESS 2022) …
Corresponding author：59772029@qq Research and Analysis on Present Situation of Desert Sand Concrete Ji Yanjun1; Liu Chuang1; Ding Zhichao1 （1Shaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University, Xi'an 710123) Abstract: Due to the rapid development of civil engineering industry, natural medium and …
Utilization Mechanism and Management Policies of the Recycling of Construction and Demolition Wastes qq 2. Sector Subsector(s) ADB Financing ($ million) ... gravel, and sand) is estimated at 0.01–0.03 metric tons of carbon dioxide equivalent per ton. ... the methods for handling construction wastes. Technical regulations for CDW …
At present, the main business districts of Chongqing city are facing with the serious challenge of the problem of traffic congestion, to solve the problem of traffic congestion of Chongqing city has become the key of guarantee Chongqing's sustainable social and economic development, and of improve the quality of life .
Liu, G. et al. (2020) listed six policy types: command and control, economic incentives, information, certification, technology, and organization and professional. …
The principle reasons for the stone powder content influencing the mechanical properties of manufactured-sand concrete are as follows: 1) at early hydration age, stone powder accelerates the hydration of clinker materials by acting as nucleation sites for C–S–H and CH reaction products (Bonavetti et al., 2000); 2) early strength of ...
Based on the principle of obtaining raw material locally, it has significant economic and social value to reasonably use desert sand to prepare concrete materials and serve for clean energy base and other engineering construction. Desert sand as fine aggregate preparation of concrete in recent years has achieved many scientific …
A "random-type" sand–concrete interface shear test was developed based on the sand cone method, with a focus on the most commonly encountered triangular contact surface morphology. A "regular-type" triangular interface, matched in roughness to the "random-type", was meticulously designed. This "regular-type" interface features five …
1. Introduction. Coral reef sand concrete structures such as breakwaters, slopes and pavements are under the harsh and complex marine environment of high temperature, high radiation, high salt, high humidity and frequent typhoons, which are subjected to single and multi-field coupling effects of stress–temperature-chemistry for a …
A comprehensive understanding of the freeze–thaw (F-T) degradation of aeolian sand concrete (ASC) and associated damage mechanism is important for its popularization and application.
The Regulations of China (Chongqing) Pilot Free Trade Zone (the Regulations) comes into force since November 1, 2019. ... there is a comprehensive legal guarantee on the construction and development of the CFTZ. The Regulations have normalized all the subjects, acts, and legal relations that occurred in the creation and development of the …
SW China's Chongqing releases plan to catalyze transportation infrastructure building. Chongqing, one of China's four provincial-level municipalities, has recently …
The application of National Building Regulations governing floors, encapsulated in Part J of SANS 10400, represents a crucial yet expansive segment of the construction regulatory framework. While seemingly concise, considering the extensive surface area floors cover within a dwelling, these regulations have evolved over time to offer a more …
Building a bridge to replace the roadway over the existing tunnel and then constructing a roadway by excavating and demolishing the existing tunnel, termed …
Carbonization Mechanism of Reactive Powder Concrete with Sea-water and Sea Sand: LI Tianyu 1, LIU Xiaoyan 1, ZHANG Yumei 1, XIONG Chuansheng 2, CAO Wenkai 3, LI Weihua 1,3: 1 College of Mechanics and Materials, Hohai University, Nanjing 210098, China; 2 College of Civil Engineering, Qingdao University of Technology, Qingdao …
High-pressure water jet crushing concrete has significant advantages in safety, quality and environmental protection, which has a broad application prospect in the maintenance and reconstruction of concrete building. Nevertheless, it still has some problems such as high threshold pump pressure and large specific energy consumption. …
1. Do not install sand or pavers during heavy rain or snowfall. 2. Do not install sand and pavers over frozen base materials. 3. Do not install frozen sand or saturated sand. 4. Do not install concrete pavers on frozen or saturated sand. 1.07 MAINTENANCE
[1] Zhu J.L., Lang X.G. and Jia X.E. 2001 Production status and development of machine-made sand[J] Mining and Metallurgy 38-42 Google Scholar [2] Qiu H.Q. 2015 The influence of machine-made sand particle shape and stone powder content on concrete performance[D] (Shenzhen University) Google Scholar [3] Ai C.F., Peng H. and Hu C. …
By 2022, Chongqing will establish a coordination mechanism for traffic integration of the Chengdu-Chongqing economic circle, open 13 intercity bus routes connecting its neighboring regions, and basically …
Chapter 4 Chongqing: urban transformation from the mountains to the oceans 81 Production, reterritorialization and the first expressway 81 LDCs of Chongqing: …
Chongqing-Promoting the construction of a modern, efficient, and characteristic agricultural belt with high quality requires continuous cooperation between Southwest China's Chengdu and Chongqing in agricultural, environmental, and technology fields.According to the Chongqing Municipal Agriculture and Rural Committee on March …
BONDING BEHAVIOUR AND FAILURE MECHANISM OF DAMAGED CEMENT CONCRETE REPAIRED USING EPOXY-BASED CONCRETE GUOGANG YING*, CHUANHUI TANG**, ... F 40-2004 "Technical specifications for construction of highway asphalt pavements", the median value of the ... 80 % of that of the original cement …
The Chongqing-Hong Kong Cooperation Conference Mechanism was officially established on May 11, 2023. Both parties commit to principles of market orientation, government guidance, environmental prioritization, and structural optimization. ... supporting the construction of an international consumption center, and …
Find company research, competitor information, contact details & financial data for Chongqing Traffic Transport Industry Co., Ltd. of Chongqing, Chongqing. Get the latest business insights from Dun & Bradstreet.
The construction of "zero waste city" will help Chongqing to adjust its structure, optimize its layout, and strengthen its industries and whole chain, thus finally comprehensively improving the level of solid waste in reduction, recycling and harmlessness, even providing a space environment for Chongqing's next industrial …
Furthermore, several researchers [20][21][22] have investigated the impact of desert sand as a fine aggregate on concrete strength, considering different replacement levels, water-cement ratios ...
This study explored the potential of granite stone powder (GSP) as a supplementary cementitious material (SCM). The 72 h early hydration process stages of GSP-mixed slurry were analyzed in depth, and the mechanical properties of manufactured sand concrete (MSC) mixed with GSP were investigated. Physical phase types, …
Mechanical sand concrete (MSC) deterioration in bridge engineering within cold-salt environments in the West was investigated. This study evaluated the salt-freezing resistance and damage models of granite mechanical sand concrete (GMSC) and tuff mechanical sand concrete (TMSC) under composite salt freezing-thaw cycles, using …
A testament to Chongqing's progress is the A129# plant project located in the Chongqing Airport Industrial Park. Spanning 28,400 square meters, this industrial plant is a 10-story, 40-meter high-rise building and is a pioneering project by the China Construction Science and Technology Group Co., Ltd.
As a pillar infrastructure featuring the integration of traditional expressway with 5G, Big Data, Cloud Computing, and Artificial Intelligence (AI) technologies, the smart expressway has always been the future trend of expressway construction in the city. Chongqing's unique geographic features pose a significant challenge to the …
China produced a large amount of construction and demolition (C&D) waste, owing to the rapid development of construction industry. Although a set of policies and regulations are being drafted in ...
*Corresponding author: 1075301623@qq Research on the Performance of Manufactured Sand Concrete with Different Stone Powder Content Che Donglin1, Wang Jiajun1,*, Ding Zhiwen2, Ma Bin2, and Zhang Yihan2 1School of Civil Engineering and Architecture, East China Jiaotong University, 330013 Nanchang, China 2China Railway …
High viscosity, high blending material, low In the preparation of water-to-gel ratio concrete, the viscosity of concrete is high, which is not conducive to construction; 5. It is sensitive to the mud content of sand aggregate. 6. The adaptation to the mechanism sand is also poor, and the dosage is sensitive to the construction.
Resource utilization of construction and demolition (C&D) waste has great potential to significantly reduce the consumption of natural resources and improve the environment. Meanwhile, establishing a sound policy system and reducing production are the key ways to solve the problem of C&D waste. Numerous studies on C&D waste, …
To regulate the use of sea-sand and minimize related construction quality problems, various countries have published standards and specifications, such as the Japanese Architectural Standard Specification for Reinforced Concrete Work (JASS 5) in Japan [19], the British standard "Aggregates for Concrete" used in the UK (BS EN …
