Multi-line overlapping shield tunnels have a complicated layout in the underground space, and the interaction mechanism between tunnels is very complicated. Based on the construction formation of multi-line overlapped shield tunnel with short-distance up- and down-crossing, indoor model tests were conducted to analyze ground settlement (caused by excavation unloading and stratum loss) and the longitudinal deformation law of existing tunnels based on the drainage method, according to the characteristics and control requirements of the short-distance construction of shield tunnels. The results show that as long as the construction strategy of first-down and then-up crossing is adopted, no sudden change in ground settlement would occur. Furthermore, neither the changes in transient settlements nor the final ground settlement would be too large, which is different from the strategy of first-up and then-down crossing; the first-up and then-down crossing strategy generally increases the curvature of the deformation curve of the existing tunnel, and the deformation of the existing tunnel will cause obvious repeated vibrations. This provides theoretical guidance for the design and construction of multi-line overlapped tunnels.

In order to effectively predict the dynamic displacement and disaster, according to the analysis of the influencing parameters affecting the deformation of a subway foundation pit supported by piles (walls), the rough set attribute reduction method (RSARM) and the average influence value algorithm (AIVA) are used to simplify the influencing factors of foundation pit deformation. Those simplified factors are taken as the input of the ELM, with the output being the displacement of the foundation pit. Finally, the IPM of foundation pit displacement derived from the ELM is obtained, which is finally used for engineering practice. The results show that it is feasible to simplify the influencing factors of the deformation of the foundation pit by RSARM and AIVA. The proposed IPM of foundation pit displacement has high accuracy and good generalization ability, which can be used for the deformation prediction.

Abstract. movements association is voluntary participation, public non-profit social organizations. With the continuous development of social economy and improvement of people's living level, more and more people choose to join the movements club. At present, many movements associations have shortcomings in the activities organization and financial management. This paper firstly introduces the concept of jQuery framework, and then constructs the movements community management evaluation system based on jQuery framework, finally doses simulation analysis on the overall performance and the evaluation performance. The results show the movements community management and evaluation system can guide community staffing, activity organization and fiscal expenditure, which has good guidance and reference for the better development of movements associations.

Abstract. Strengthen the protection of personal information, learning prevention method of network information attack. Through scientific means to protect the privacy and self interest of Network Management System of Community Movements system is the professional knowledge. Based on the digital certificate we do encryption on encryption of the digital signature, according to the Mark off model we c establish transfer matrix of data integrity, so as to realize the encryption of students' evaluation information system. Multidimensional network information security platform needs to improve confidentiality failure, dynamic integrity and distributed availability of data security in addition to the client's safety and the master-slave structure safety.