While the dynamic compressive strength of sandstone was reduced by 8% and 17% after being treated at 3 kW and 5 kW for 90 s, respectively [37]. Although a higher power level is used, the dynamic compressive strength of sandstone after microwave treatment is significantly lower than that of basalt.

To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using gene expression programming...

The compressive strength is found to be maximum of 36.67 N/mm 2 for the concrete having 1% of basalt fibre content. The compressive strength of this mix designation is increased upto 11.45% than the conventional concrete. The maximum split tensile strength is 5.48 N/mm 2 for 1% basalt fibre content.

in controlling the strength and stiffness of infilled frames. It was shown by Jung and Aref [3] that for equivalent diagonal strut model, diagonal stiffness and strength of the infill panels depend primarily on their dimensions, physical properties and length of contact with the surrounding structural frames.

The compressive strength of y ash-based. fl. geopolymer matrix without basalt bers added samples aged 28 days was 35 MPa which signi cantly increased 37% when the 10 wt%. basalt. fi fi. bers were ...

The compressive strength of the mixes varied between 33.23 and 34.71 MPa. It has been noted from Fig. 4, the increase in fibre content in the mix caused to slight enhance in compressive strength up to 1.5% fibre volume, however at 2.0% fibre volume compressive strength was observed to be decreased. The reason may due to the …

The results showed that: (1) the shear strength and compressive strength of the soil were significantly increased after the incorporation of basalt fiber; (2) the strength increase was greatest at ...

ABSTRACT:. The presence of vesicles within basalt has a negative impact on both the unconfined compressive strength (UCS) and deformation modulus (axial stiffness) of basalt specimens. Vesicular basalt specimens (diameters of 44.45 mm) were cored from surface boulders obtained from southern Nevada. Each basalt boulder has …

Porosity is a significant physical feature of rocks due to water absorption that causes decrease in the strength. The basalt of the study area can be described as "highly porous" and ignimbrite as "extremely porous" according to the classification by Anon (1979).The average UCS of basalt is determined as 26.65 MPa.For the ignimbrite, the …

Uniaxial compressive strength is widely used in the slope stability analysis and in the design of foundations and tunneling in rocks. Uniaxial compressive strength is also used in rock mass rating ...

The strength properties of basalt fiber–reinforced biocemented (BFRB) sand specimens with various calcite contents and fiber contents are investigated through a series of unconfined compressive and splitting tensile tests. Reverse injection is introduced to improve the uniformity of the calcium carbonate precipitation.

To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using gene expression programming (GEP ...

Impact strength properties of basalt FRC are shown in Fig. ... Compressive strength percentage increment comparisons for RC sample wrapped with 1, 2 and 3 layers of BFRP sheets with bare samples are 29.8%, 52.11% and 62.416%, respectively. The test results proposed that the stiffness of BFRP-wrapped samples …

Sim and Park [13] observed that the strength of the basalt fiber was about 30% and 60% of the strength of the carbon and high strength glass (S-glass) fiber, respectively. The density of basalt fiber has been reported between 2.59 and 2.8 g/cm 3 ... After reaching their compressive strength at peak point, these specimens showed a …

BF, a fibre produced from naturally occurring basalt rock, has improved chemical and thermal stability and higher elastic modulus, with improved compressive, tensile and flexural strength. This study primarily emphases on the effect of the addition …

The effect of volume fraction of basalt fibers on compressive strength, and the compressive stress-strain curve has been examined for ultimate strength up to 0.02% strain. The stress strain curve ...

Experimental research also shows that with a proper proportion of basalt fiber, the deterioration of splitting tensile strength of concrete soaking in 5% sulfate solution was constrained[18], [19]. Moreover, basalt fiber effectively inhibited the strength degradation of the aqueduct during the dry-wet cycle experiments[20].

Compressive strength testing was conducted for 3, 7, and 28 days. ... Going through a sample of the results in Fig. 4, the compressive strength of basalt fiber mixes showed some irregularities. Basalt fibers with 0.5% content gave comparable results to that of 0% basalt content, while all basalt ratios in M3 and M4 outperformed the …

This work examines the compressive strength of natural stones, as estimated by Uniaxial compressive strength tests (UCS) and respective non-destructive tests results (Schmidt Hammer Rebound test, SHR, or an Ultrasonic Pulse Velocity transmission, UPV). In practice, aiming to correlate the values of the UCS test with the …

The compressive strength of fly ash-based geopolymer matrix without basalt fibers added samples aged 28 days was 35 MPa which significantly increased 37% when the 10 wt%. basalt fibers were added. However, the addition of basalt fibers from 15 to 30 wt% has not shown a major improvement in compressive strength.

The compressive strength values range between 23 and 41 MPa. According to Table 5, the addition of basalt fiber improves the compressive strength of SCC mixes. The SCC mixes with a fiber volume fraction of 0.3% (SCCBF0.3%) exhibit the highest compressive strength when basalt fiber is included.

The presence of vesicles within basalt has a direct impact on the unconfined compressive strength (UCS) of the intact rock. Over 130 basalt samples from foundation projects for a large liquid natural gas (LNG) storage facility on north coast of Baja, Mexico, a high-rise building in Central, Oregon and a wind turbine project in Northeastern ...

The strength properties of basalt fiber-reinforced biocemented (BFRB) sand specimens with various calcite contents and fiber contents are investigated through a series of unconfined compressive ...

The compressive strength of fly ash-based geopolymer matrix without basalt fibers added samples aged 28 days was 35 MPa which significantly increased 37% when the 10 wt.%. basalt fibers were added.

It also exhibits the highest increment of compressive strength of 4.48% and a dynamic MOE of 13.83%. New insights reveal that although the residual flexural performance gradually improved with the addition of basalt fiber, the damping ratio had …

The compressive strength test was proceeded of different concrete test block. The block contained three strength grade C20, C25 and C30, two replacement ratio 50% and 70%, three fiber content 1.0 ...

Compressive test results showed basalt fiber could increase compressive strength at elevated temperatures. The optimal basalt fiber volume fraction was 0.8%, whereby compressive strength was higher than that of control PVA-ECC by 62.05%, …

The results illustrate that no-fiber columns sustain more than 50 % of the failure load before cracking, while this percentage raised to 75 % upon adding basalt fiber to concrete. 0.3 % of basalt ...

First, the compressive strength tests of BFRC under different stress states were performed at fiber volume fractions of 0.2%, 0.4%, 0.6% and fiber lengths of 6 mm, 12 mm and 18 mm to obtain stress ...

Assessing the uniaxial compressive strength and tangent Young's . modulus of basalt rock using the Leeb rebound hardness test. H. Aldeeky ... Assessing the uniaxial compressive strength and tangent Young's modulus of basalt rock using the Leeb rebound hardness test • 3 Materiales de Construcción 70 (340), …

In this study, the basalt rock extracted from the Kalgoorlie region of Western Australia is intensively studied on its compressive properties under both static and dynamic loads covering strain rate between 2.22 × 10 -6 /s to 408/s. The ultimate compressive strength and corresponding failure strain are quantified.

Generally, 100-300 Mpa or Megapascal is the compressive strength. Its tensile strength is10-30 Mpa, and its shear strength is 20-60 Mpa, which denotes that depending on the mineral makeup, basalt rocks fall in the category of a strong – very strong. Rock hardness property is common among the densest, fine-grained textured …

Corpus ID: 55787158; Numerical Study for Compressive Strength of Basalt Composite Sandwich Infill Panel @article{Sim2017NumericalSF, title={Numerical Study for Compressive Strength of Basalt Composite Sandwich Infill Panel}, author={Viriyavudh Sim and Jung-Kyu Choi and YongJu Kwak and Oh Hyeon Jeon and Wooyoung Jung}, …

And the compressive strength of basalt FRC cubes with volume fraction of 0.1, 0.2, 0.3 and 0.4% were 44.1, 44.5, 45.1 and 45.6 MPa, respectively. In addition, the mechanical properties of steel bars were obtained by testing three specimens for each type and are presented in Table 2, where f su is the ultimate tensile strength of steel bars.