Extremely reliable coarse crushing equipment
Reliable quality and long service life
Mobile crusher is a more complete, systematic and flexible modular solution that we offer to our customers.
A new generation of high-efficiency coarse and medium-fine crushers: CI5X series impact crushers
·In order to determine the seismic performance of this structure a 1 12 scale shaking table test model was fabricated using gypsum as simulated concrete in order to meet scaled design requirements
·The shaking table provided by the MTS Company could be oriented in three orthogonal directions and perform six degree of freedom motions The table was parameterised with a working platform of length and width dimensions of 8 m × 10 m maximum payload of 160 ton and working frequency range from to 50 Hz which could allow maximum
·Request PDF Similitude Material Confecting of Tunnel Model in Shaking Table Test On the basis of analyzing recent years research achievement of similitude material we adopt cement gypsum
·Shaking table test results showed that acceleration would suddenly increase above the bedding plane and the settlement deformation and sliding deformation were induced by the P waves and S waves The model material was a mixture of barite powder quartz sand gypsum powder glycerol and water with weight proportion of
·This study investigates the dynamic responses of such a metro station in a rock site by shaking table tests The lining structures of each tunnel and surrounding rock are modeled based on the similitude law; foam concrete and gypsum are used to model the ground structure system keeping relative stiffness consistent with that of the prototype
·In addition six smaller specimens were tested using one shake table All the specimens were prepared as free floating systems by permitting free movements at the four edges Based on the test results key engineering parameters related to acceleration amplification and natural frequency were identified and the overall seismic performance was
·The shake table tests were carried out by using one shaking table of the Department of Structure for Engineering and Architecture at the University of Naples Federico II having the following main characteristics × m plan dimensions; two horizontal degree of freedoms SDOFs ; maximum pay load of 200 kN; peak acceleration of
·Request PDF Seismic Damage Assessment and Shaking Table Test Validation of Midrise Cold Formed Steel Composite Shear Wall Buildings This paper proposes damage index based limit state criteria
·In particular shaking table tests are performed in order to investigate the seismic behaviour of plasterboard continuous suspended ceilings under strong earthquakes Two kinds of ceiling systems named single frame ceiling and double frame ceiling are tested A steel test frame is properly designed in order to simulate the seismic effects at
The seismic damage to different categories of nonstructural elements is known to be sensitive to various engineering demand parameters EDPs including maximum inter story drift peak floor acceleration and peak floor velocity among paper introduces a substructure shake table test that enables the simultaneous dynamic testing of nonstructural elements sensitive to
·This paper presents an overview of the research involving three dimensional shake table tests of a two storey 1 2 scaled timber concrete post tensioned dissipative low damage structure dressed
· Shaking table tests on cold‐formed steel building sheathed with gypsum panels Vincenzo Macillo E mail address University of Naples Federico II Naples Italy Search for more papers by this author Bianca Bucciero E mail address
·Fan [9] conducted shaking table tests to evaluate the seismic responses of fault crossing tunnels under the combined effects of fault slip and seismic vibrations For the tunnel lining lightweight aggregate gypsum was adopted due to its brittle properties similar to those of concrete The type of gypsum used in the tests is beta
·Shake table tests have become a common practice for the dynamic testing of acceleration sensitive nonstructural elements in which floor motions rather than ground motions are adopted as the table input Various types of nonstructural elements including suspended ceiling light gauge steel keel gypsum board partition walls and various
·The external panels of the two models are OSB boards and ribbed corrugated steel sheets respectively and the internal panels of both models were gypsum boards Shaking table tests were carried
·This study investigates the dynamic responses of such a metro station in a rock site by shaking table tests The lining structures of each tunnel and surrounding rock are modeled based on the similitude law; foam concrete and gypsum are used to model the ground structure system keeping relative stiffness consistent with that of the prototype
·The shaking table test allows for multi component seismic wave input obtaining quantitative results of the seismic response which is the most realistic means of simulating the seismic process and an intuitive approach to observe the dynamic response of a tunnel Through the elastic modulus test of gypsum samples and the indoor ratio
According to similarity theory with gypsum cement blanc fixe and water as similar material a study on the relationship of physical and mechanic property and match ratio by orthogonal test Effect disciplines of elastic modulus and ultimate compressive strength imposed by Content of various materials are worked out Similar material of this experiment satisfies the requirements
·Compared to component tests of which gypsum boards connected to CFS members with screws [35] gypsum boards and screws observed after the shake table test present smaller deformation capacities To verify the dynamic effects on the CFS partition walls damage to drift correlation observed in this study is compared with those of the reference
·This study used shaking table tests to investigate the stochastic seismic responses of a slope reinforced by an anchored pile structure First a stochastic ground motion model was adopted to generate a suite of random ground motions which were then used as the input of shaking table tests gypsum and water mixed in certain proportions
·The paper introduces a new type of green building which suits for the construction of rural dwellings in Xinjiang China Results of the shaking table test on building model show that the single layer gypsum adobe structure has better seismic performance And it also analyzes the construction features and engineering practice which means that it is significant to extend this
·A model of a steep bedding rock slope with a slope angle of 50° and rock dip angle of 55° was designed and fabricated and a large scale shaking table test was carried out to investigate the acceleration displacement acoustic emission and failure mode under earthquake action In the vertical direction of the slope the acceleration amplification factor significantly
·A light aggregate plaster was selected to simulate the tunnel lining where the mass ratio of gypsum perlite and water was 5 1 6 A lightweight plaster with a mass ratio of gypsum to water of 1 2 was chosen to simulate the grouting The material properties of the prototype and the test models are listed in Table 2