The buckling of compression members may lead to the progressive collapse spatial structures. Based on sleeved member, monitoring member is introduced control and raise alert by sensing contact between core tube restraining tube. Considering rigid connection among in structures, with ends needs be further analyzed. An experimental test was conducted finite element analyses were performed calibra...

The objective of this paper is to develop an analytical equation based on the concept critical-length columns in order optimize ultimate bearing-capacity soft soils, supporting a strip footing and reinforced by group floating stone columns. Optimization procedure was performed three-dimensional numerical models simulated Flac3D computer code, for various soft-soils with different undrained-cohe...

ABSTRACT The issue of environmental protection has led researchers to pay serious attention to waste tires. Civil engineers have found that waste tires can increase bearing capacity, earth slope stability, and other useful applications in civil engineering. In this paper, a series of experimental modeling have been performed to investigate the effect of waste tires on increasing the stabi...

In order to solve the supporting problem in underground engineering with high stress, square steel confined concrete (SQCC) supporting method is adopted to enhance the control on surrounding rocks, and the control effect is remarkable. The commonly used cross section shapes of confined concrete arch are square and circular. At present, designers have no consensus on which kind is more proper. T...

The present study proposes a new method to predict the ultimate load bearing capacity of structural notched beams subjected splitting. Reinforced and unreinforced cases are investigated by using FE-model for splitting failure. contribution mode I II in crack extension mechanisms is implemented numerical model considering mixed criterion established on R-curves wood. influences notch reinforceme...

Weld type between parts will make a difference on structural performance, which is especially important for daouble-walled shell. To get clear this problem, numerical simulation conducted to investigate the influence of weld plans frame and out shell stress stability. Numerical results show that change plan small in case 15MPa external pressure, below critical value, ultimate bearing capacity c...

Abstract Concrete-filled steel tube columns are widely used in civil engineering structures due to their excellent ductility, energy absorption capacity, ultimate load-bearing and seismic behavior. In this paper, a numerical study modeling of eight lightweight concrete conventional filled tubes was carried out using ABAQUS software, the lateral load-carrying capacity square circular under cycli...

T-stubs are important components in the application of component method; hence it is crucial to clarify T-stub mechanism for analysis mechanical properties steel joints. In this study, behavior was assessed via 6 static tests and 18 finite element models. The influences flange thickness, bolt spacing, diameter, stiffener rib on initial stiffness, ultimate bearing capacity, force were analyzed. ...

In this paper, the rib beam bridge slabs were taken as research object. Static load and fatigue tests carried out on benchmark to determine ultimate capacity life of slabs. Then, slab was pre-damaged reinforced with polyurethane concrete. A test study performance. Based damage theory, reinforcement finite element models under different degrees established. The performance systematically studied...