Development of 3D-printed basalt fiber reinforced …
Development of 3D-printed basalt fiber reinforced thermoplastic honeycombs with enhanced compressive mechanical properties. Author links open overlay panel Lin Sang a ... honeycomb structures have received considerable attentions due to their low weight-to-strength and weight-to-cost ratios, high-energy absorption …
EFFICACY OF BASALT AND GRANITE AS COARSE …
Compressive strength for basalt 36.39N/mm2 while 37.16N/mm2 for granite. 24.81N/mm2 tensile strength for basalt while 12.57N/mm2 for granite, 31.83N/mm2 flexural strength for basalt while 27.97N/mm2 for granite. From the above results, it can be deduced that basalt has higher strength properties than granite. more suitable for coarse Therefore,
The porosity and engineering properties of vesicular basalt …
Abstract. The presence of non-connected vesicles in extensive basalt flows in western Saudi Arabia greatly affects their engineering properties such as compressive strength, modulus of elasticity, Poisson's ratio and sonic velocities. In order to evaluate some of these properties, the density and/or the porosity of the material must be known.
Compressive and Split Tensile Strength of Chopped …
in diameter basalt fibers were used as well as the cubes and cylinders have casted with basalt fiber reinforced concrete for 0.5 %, 1.0% and 1.5% of basalt fibers by the weight of cement along with ordinary concrete. The compressive and split tensile strengths are carried out on cubes and cylinders by
Correlation between Schmidt hardness, uniaxial compressive strength …
Volcanic rocks from the Bodrum Peninsula have been studied to establish a relationship between the uniaxial compressive strength (UCS), Young's modulus (E) and Schmidt hammer rebound number (N). Test results obtained on andesites, basalts and tuffs have been assessed statistically and the parameters obtained correlated. Regression …
Improving Compressive Strength Of Fly Ash-Based
The compressive strength of the geopolymer matrix without the basalt fibre added samples aged 28 days was 35 MPa which increased significantly by 37 percent when only the weight increase of 10 wt ...
Estimating uniaxial compressive strength of rocks using …
open access. Abstract. The aim of this paper is to estimate the uniaxial compressive strength (UCS) of rocks with different characteristics by using genetic expression programming (GEP). For this purpose, five different types of rocks including …
Assessment of the optimal level of basalt pozzolana
Casting of concrete specimens. Four different proportion of basalt partially replacement by cement weight in concrete mix ranging from 0% up to 22.5% were conducted with a water to binder w/(C + Basalt) ratio of 0.53 for a design concrete cube (150mm × 150mm × 150 mm) compressive strength of 25 MPa.
Modeling strength characteristics of basalt fiber reinforced …
This study used tree-based machine learning algorithms to model the strength characteristics (compressive, flexural, and tensile) of basalt fiber-reinforced concrete.
Basalt Fiber Reinforced Concrete: A Compressive Review on …
Basalt fiber (BF) stands out as the most intriguing among the natural fibers that may be utilized as reinforcement due to their characteristics. Numerous academics have conducted many tests on the strength, durability, temperature, and microstructure …
Characterization of Compressive Strength of Epoxy Basalt
Composite materials are emerging as an alternative material to the machine tool structure. This work presents the study of compressive strength of composite material epoxy basalt. The epoxy content in the mixture is varied between 10 to 20% in weight. A combination with 15% epoxy resin and 85% aggregates of basalt by weight has given the …
Engineering properties of basalt aggregates in terms of use …
Basalt aggregate is a type of dark colored, glassy or crystalline volcanic rock. ... highways stated that the freeze-thaw loss of the material to be used in the base layers should be less than 20% of its weight. The freeze-thaw loss of the studied samples ranges from 2.3% to 21.1%, with an average of 10%.
Empirical models for compressive and tensile strength of …
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...
Effects of polypropylene and basalt fibers on tensile and compressive …
Semantic Scholar extracted view of "Effects of polypropylene and basalt fibers on tensile and compressive mechanical properties of fiber-reinforced ice composites" by Meng-Xuan Zeng et al. ... (PPF) is a kind of polymer material with light weight, high strength, and corrosion resistance. The crack resistance of concrete can be improved by ...
Compressive Stress-Strain Behavior of HSFRC …
Compressive strength was observed as. 70 –85 MPa. The addition of basalt fibers in the range 1–3% (by. volume of concrete mix) did not increase compressive strength. significantly. The maximum ...
Prediction of compressive strength of BFRC using soft …
In this paper, the strength of basalt fiber reinforced concrete (BFRC) was investigated. Four percentages of basalt fiber (0.1%, 0.2%, 0.3%, and 0.4%) by volume fraction were added to concrete mix and BFRC cubes of 150 mm size were prepared and tested after 28 days curing age. It was found that the compressive strength of concrete …
A study of tensile and compressive properties of hybrid basalt
Deng et al. [105] investigated the compressive behavior of hybrid basalt-polypropylene FRC. It was found that the highest compressive strength reached 53.7 MPa when the mass ratio of basalt fiber ...
Engineering, Mechanical and Dynamic Properties of Basalt …
The applied basalt fiber is 36 mm and 50 mm. Compared to its irregular result, the shorter length of the basalt fiber seems to show more details to test the impact of the fiber dosage on the compressive performance of the basalt fiber-reinforced concrete.
Improving compressive strength of fly ash-based
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. In addition, it was …
Numerical analysis of dynamic compressive properties of basalt …
The basalt fiber engineered cementitious composites (BF-ECC) was a superior cementitous material when used for tension loading. And it can prevent the development of wide cracks. In this paper, the dynamic compressive mechanics of BF-ECC after elevated temperature exposure(100 °C, 200 °C, 400 °C and 600 °C) is …
Axial compressive behavior of basalt and
Axial compressive behavior of basalt and polyacrylonitrile fibers reinforced lightweight aggregate concrete with industrial waste ceramsite-Lytag after freeze-thaw cycles ... has been widely used in construction engineering due to its light weight, high natural strength, and significant durability. However, freeze-thaw cycles could accelerate ...
Compressive strength of lightweight expanded …
The ability of concrete to give a lower weight and retain good properties for strength is very important concrete structures. Lightweight ... Compressive Strength, MPa Basalt fiber of length 30-31 мм. (hard basalt fiber) (I) 967.5 3.56 …
Rock mass properties
determine the uniaxial compressive strength . and the Hoek-Brown constant as described by Hoek and Brown (1980a). In this analysis, equation (5) is re-written in the form: (6) where . and . For n. specimens the uniaxial compressive strength, the constant and the coefficient of determination are calculated from: (7) (8) (9)
Mechanical behaviour of basalt fibre reinforced concrete
The research into basalt fibre reinforced concrete (BFRC) has largely been focused on fundamental mechanical properties: compressive, split-tensile, and flexural strength. In the case of BF, the research shows general agreement with the addition of fibres being beneficial up to approximately 0.3–0.5% by volume and detrimental …
Bamboo, basalt, glass, and polypropylene fiber-reinforced
In Fig. 4b, the compressive strength decreased with the increase in basalt fiber content; it was maximum at a fiber content of 1%, which was 17.83% lower than GP. A 3% and 5% fiber content decreased the compressive strength by 23.33% and 38.43%, respectively, which might be attributed to the basalt fiber reducing the workability and …
Mechanical relationship between compressive strength and …
Basalt fiber reinforced concrete ... The principle of the method is to measure the weight of barium sulfate precipitates that generated by sulfate ions and barium ions, by which the content of sulfate ions can be converted. ... Fig. 10 illustrates the compressive strength of OC is generally improved after a period of soaking no matter in 1% or ...
Compressive behavior of masonry columns confined with basalt …
The basalt fiber textile had an areal weight of 104 g/m 2 and a nominal equivalent thickness, t f, of 0.03 mm in the weft direction. To prepare samples for direct tension tests, thin aluminum plates were used to glue the ends of the fine fiber yarns. ... The compressive strength of confined masonry is predicted using the following equation: (5) ...
Strength and deformation properties of granite, basalt
The difference in the unconfined compressive strength between. the slow and the rapid rates of loading for the rocks tested varied. considerably. The dynamic compressive strength factor f^ for the. granite was less than 1; for the basalt, 1.35; for the limestone, …
Study on Mechanical Properties of Concrete Using Basalt …
Basalt aggregate (BA) 0 Water curing (W) Raw recycled aggregate and Basalt (RRA) 25 Air-dry curing (A) Improved recycled aggregate and Basalt (PRA) 50 Steam and air-dry curing (S) Table 2. Mix proportion of concrete. ID Air (%) w/b (%) s/a …
Alkali-activated basalt powder/slag systems: …
basalt powder-based mixes have low compressive strength values, ranging between 2 and 9 MPa, basalt powder/slag blend mixes exhibit a moderate compres-sive strength, i.e., 20 MPa at 28 days. Furthermore, sodium-silicate-activated basalt powder/slag blend mixes achieve high compressive strengths at early and further ages.
