Exploitation Of Underground Space Research Articles

Factors influencing the development potential of urban underground space: Structural equation model approach

To ensure the sustainable exploitation of underground space, it is necessary to investigate factors influencing the development potential of urban underground space (DPUUS) before excavation and construction. Despite its significance, only few researches have been conducted to explore influence factors for DPUUS up to now. To fill this gap, this paper proposes the model of DPUUS, and investigates key factors affecting DPUUS using Gulou District in Nanjing for a case study. The results of structural equation modeling (SEM) indicates that: (1) Geological features, land price and location condition, economic development level, development advantages of underground space, and ‘compatibility with urban planning’ are proved to be the five key influence factors for and have positive effect on DPUUS. (2) Among the five influence factors for DPUUS, ‘development advantages of underground space’ exerts the strongest effect on DPUUS, followed by ‘land price and location condition’, ‘economic development level’, ‘geological features’ and ‘compatibility with urban planning’. Finally, both favorable and unfavorable factors influencing DPUUS of different sub-districts in Gulou District are discussed.

Laboratory Test of Uniaxial Compressive Strength of Shanghai Frozen Soils under Freeze-Thaw Cycle

The artificial ground freezing (AGF) is now widely employed in constructions with the expanding underground space exploitation in Shanghai. In order to avoid geological disasters which might appear in the AGF practice, it is urgently needed to do laboratory tests on the physical and mechanical characters of Shanghai soft soil under freezing and thawing action. This paper tests three kinds of soils from the location ofShanghai Metro line 4 constructions in different state, i.e. original state, freeze-thaw state and secondary freeze-thaw state, and obtains the changing rules of soil characters under secondary freeze-thaw action.

Coordination Analysis for Urban Underground Space and Rail Transit Based on Space Syntax

Rational planning for the underground space development in subway station areas, in coordinate with the urban rail transit development, has positive impacts on the sustainable development of cities. This paper induces the space syntax method for calculating the quantitative accessibility index of the urban rail transit and detects the coordination between urban underground space use intensity and rail transit system of the 7 selected subway lines in Tokyo. The results show that the station areas with higher accessibility index are the same sort with higher underground space use intensity. This means that the space syntax method is suitable and feasible for calculation of the quantitative accessibility index of subway lines. The higher the accessibility index is, the more underground space will be needed potentially in future. The areas with high accessibility of subway lines and low intensity of public underground space develop are the key districts under potential exploitation of underground space.

A Study on the Planning Method of Underground Space in Urban Core District - Taking Hangzhou Eastern New City Zone as an Example

Nowadays, Underground space exploitation is one of the directions of the main focus in the construction of Hangzhou. This paper comprehensively introduces the schematic design of the underground space exploitation of Hangzhou east station, combined with the underground space development project of the core area in Hangzhou eastern new city zone. Firstly, the background of the surrounding area is discussed to illuminate the important status of the core area of eastern new city zone in Hangzhou’s future construction. Then, the holistic design concept and construction goal of the underground space exploitation of the core area are presented, and its functions and layout are clarified focusing on the railway construction and circumjacent exploitation project of Hangzhou east station. Lastly, the executive plan about the underground space exploitation of the core area of Hangzhou eastern new city zone is expatiated comprehensively.

The Mode by Combining into Development of Underground Space and Protection of Cultural Relics - In the Famous Historical City of Luoyang as an Example

Protection of historical and cultural sites and exploitation of underground space became the two important weights on both ends of the modern Luoyang urban development scales. This essay is about the mode by combining into development of underground space and protection of cultural relics. Three aspects have been analysis by citing examples.

Relation between the mrt building and underground space exploitation

On the basis of analyzing the history and characteristics of the underground space exploitation and the urban space development in Guangzhou, and making a thorough study on the underground space exploitation based on the subway building, this paper points out some main problems in the exploitation of underground space in Guangzhou, and emphasizes that Guangzhou must develop the underground space on a large scale with the aid of the subway building, and puts forward a proposal on the urban space coordinate development between on-ground and underground in Guangzhou City.