The manufacturer's service attitude is good and the design plan is more reasonable.
WhatsApp +
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
·The fire resistance time of each specimen was determined by the insulation failure and integrity failure [26] The determination of failure criteria was described as follows and 31 °C/min respectively from 200 °C to 500 °C This finding suggests that the insulation performance of the gypsum board TS FGP after being subjected to fire
·In particular underground mining excavations in gypsum have often resulted in roof collapses pillar failures water inrushes and generation of surface subsidence especially after unexpected water circulation and in abandoned or old underground sites Bonetto et al 2008; Wang et al 2008; Sadeghiamirshahidi and Vitton 2019
·stage and failure stage It was observed that under the conventional uniaxial compression test conditions the failure mode of specimens is shear failure The end effect of specimens after fatigue loading is more obvious and the failure modes are mainly the fatigue damage of near vertical cracks After fatigue loading the specimen has
·The gypsum was poured into the mold according to the marked line After initail soldification concrete slurry was poured into the mold according to the marked line As shown in Fig 6 b for constructing the layers with specific angles and thickness a rolling cylinder was moved below the mold to achieve the desired inclination angle and
·After the grain " " main crack "and" wing crack "developed to a certain extent shear failure appeared on the left and right sides of the hole and then developed into horizontal inclined tension shear composite failure The peak strength of elliptical pores and sandstone filled with gypsum sandstone increased at first and then decreased
·In terms of the collapse mechanism Xu et al constructed a plastic supporting system of pillar beam for the gypsum mined gob and analyzed the collapse mechanism by applying mutation theory [3 4]
·given for the failure times of gypsum based boards in EN 1995 1 2 or in standards for gyspum based boards The failure time of board is an important property for the fire safety design of timber frame constructions Charring rates of wooden studs are significantly different before and after the failure of protective cladding
·Gypsum is a soft compact poorly soluble mineral which is the primary material for the manufacturing of plaster After extraction gypsum undergoes some processing to suit the type of furnace where it will later be calcined The processing stages are as follows crushing coarse grinding stockpiling drying fine grinding and packaging
Besides that when exposed to high temperatures gypsum only delays the temperature rise and cannot prevent shrinkage and crack from occurring which can lead to the eventual collapse or failure
·Its gypsum wallboard volumes fell slightly by to 123Mm 2 The wallboard producer also said that the shutdown of its Buchanan plant in New York due to mechanical failure might cause a boost operating income and earnings before interest taxation depreciation and amortisation EBITDA of up to US$2m once an insurance claim is settled
·Figure 6 Failure planes of the gypsum tunne l model Stress strain evolution The radial and tangen tial strains at each measuring spot on the tunnel model side wall was
·Failure to meet these standards can lead to cargo damage noncompliance with regulations pollution and significant delays in operations all of which can lead to claims Understanding the hold cleanliness requirements is often
·The failure and mechanical properties of columnar jointed rock mass CJRM after excavation are of great significance to the stability evaluation of rock mass engineering
·During the hydration process after gypsum is added the formation of a large number of AFt and AFm leads to the reduction of ion concentration so the induction period is shortened and the condensation time is reduced It can be seen from the figure that the bending failure process of R UHPC can be divided into four stages More exactly
·The deterioration of the mechanical properties of gypsum due to water rock reactions has attracted extensive attention in the areas of structural geology and civil engineering and accurately predicting variations in the mechanical behavior of gypsum under different engineering conditions presents a challenging yet intriguing endeavor In our study we
·The failure mode of rock samples under axial strain control mode is mainly splitting failure while that under lateral strain control is gradually changed to shear failure The smaller the lateral
Gypsum rock is strongly corrosive and expansive which can cause significant deterioration in the lining structure and the strength over the life sysle of a geologic tunnel It would seriously affect the reliability of the tunnel lining structure reliability and negatively impact complex structural rules In this reported study the expansion failure and corrosion failure modes of the lining
·After reinforcing the specimen with FRP the first peak of acoustic emission energy appears at the intersection of the first and second stages of the stress strain curve Figs 9b 10b indicating internal damage to the gypsum like specimen After the first peak of acoustic emission subsequent peaks of acoustic emission energy occur at
·To investigate the macroscopic mechanical properties and failure evolution mechanism of desulfurization gypsum fly ash fluid lightweight soil a microscale numerical model using PFC2D Particle Flow Code was constructed Uniaxial compression
·Gypsum rock is highly sensitive to a water environment due to its unique physical and chemical properties such as high solubility After wetting the internal microstructure of gypsum rock is damaged and the mechanical properties deteriorate accordingly leading to serious engineering problems for gypsum bearing geotechnical structures Therefore it is
·The reinforced gypsum composites pre failure and post failure performance were also evaluated through their stress/strain curves of the flexural and compressive strength tests the gypsum composites reinforced with fibres are still able to support some load and deflection after failure unlike the control specimen that presented a
·The mechanical properties and failure modes of different rock specimens under the same static and dynamic loading were investigated and the fragmentation failure mode of gypsum becomes more
·In this study the effect of the movement direction of the printer head and bedding plane on macroscopic mechanical behavior and failure modes of 3D printed gypsum rocks were investigated Uniaxial compression tests were conducted to investigate the mechanical properties of 3D printed gypsum rocks
