Waterproof Construction Technology of Underground Station in Subway Construction

2021 ◽  
1970 ◽  
Vol 1 (1) ◽  
Author(s):  
Tian Nai

Abstract: With the development of urban and rural construction speed, in the subway project construction, regardless of its construction management,or its corresponding construction technology, have a wide range of applications, in which the complex geological conditions of subway construction technology management is one of them.Application is more important and more difficult to control one of the key. However, due to the current construction of the subway project construction technology management, there are still some lack of mature technology problems, which makes the subway construction technology in complex geological conditions in the management of the application process, there are still a variety of problems, including construction safety and construction quality, and thus also seriously affect the social stability and development. This paper analyzes and discusses the main points of subway construction technology under complex geological conditions.


2013 ◽  
Vol 671-674 ◽  
pp. 1156-1159 ◽  
Author(s):  
Zhan Guo Zhu ◽  
Chun Yan Yao ◽  
Yue Zhao ◽  
Zhi Yang Tang ◽  
Yu Zhao

Subway engineering is a long range program. Metro structure waterproof is a major technology to ensure the durability of structure. With the experience accumulation and technical maturity of our country's subway construction, waterproof technology is developing fast. The design concept and material of underground waterproof stay updated. According to the Shenyang subway metro construction experience, this article do a research on the on the cold regions based on the geological conditions and climate characteristics. Focusing on the subarea waterproof and natural sodium bentonite soil waterproof blanket are described, this article make a detail analysis on the proof about the design concept, waterproofing system, material selection, construction technology and other aspects. The content of this article has been in the works in practical application, which can provides reference for other similar project .


2020 ◽  
Vol 17 (2) ◽  
pp. 29
Author(s):  
Nurhafizah Abdul Musid ◽  
Haryanti Mohd Affandi ◽  
Nurul Eizzaty Sohimi ◽  
Mohd Firdaus Mustaffa Kamal

On Job Training (OJT) is best for skill development and attitude change. Implementation of OJT which focuses on the transition of students to working life, however with little attention given to the process of assessment in OJT. Therefore, the aim of this study is to investigate the OJT assessment problems among Construction Technology students in Malaysian Vocational College. The research design for this study uses a survey that was carried out qualitatively through semi-structured interviews among Construction Technology students, lecturers and experienced construction practitioners. From the data analysis, it has been identified that there is an inadequacy of OJT assessment rubric in assessing the skill and knowledge of the construction technology students. This has been contributed with the used of holistic rubric for the OJT assessment which has been designed to be use by every course in the Vocational College. The result also revealed that allocation of marks in the assessment rubric is not commensurate with some construct assessed and need to be reviewed. This study shows that an assessment rubric should emphasizes on specific knowledge and skills in assessing students’ competency during training program and in this case to produce competent site supervisor. In addition, a good assessment rubric should consider the tasks and marks thoroughly to avoid biasness among students. Therefore, it is suggested to carry out further study in investigating the validity and reliability of current industry’ OJT assessment rubric for the Construction Technology students.Key Words: On Job Training; Construction Technology; An assessment rubric; Competency; Validity and reliability.


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