DOI: 10.1016/j.jobe.2023.107241 Corpus ID: 259521949; Shear strength and failure criterion of geopolymer coral aggregate concrete under compression-shear loading @article{Yang2023ShearSA, title={Shear strength and failure criterion of geopolymer coral aggregate concrete under compression-shear loading}, author={Haifeng Yang and …
The coral fine aggregates consisted of coral sand, as shown in Fig. 2. Coral stone pieces and limbs with larger particle sizes were different from ordinary coarse aggregates in shape and size, so they were crushed using a crusher. ... f c is the axial compressive strength of the coral concrete, and A c is the cross-sectional area of the …
There is no readily available information on the average compressive strength of Mexicos Ostra Shellstone Coral Stone. The compressive strength can vary depending on various factors such as the specific quarry location, the processing methods, and the individual stone characteristics.
Sustainability 2022, 14, 14388 2 of 22 During the production of block marble in marble quarries, up to 50% of marble waste may form in the form of rubble and flat stone [6].
A more remarkable rate-dependence in the compressive strength of coral concrete than other cement-based composites was observed as the dynamic increase …
Instron offers machines to test the compressive strength of dimension stone to ASTM C170. Back; Home; Products. Materials Testing. Universal Testing Systems. ... marble and sandstone. ... high-quality materials, components, and craftsmanship and are ideal for testing metals, wire rod, fasteners, concrete, and wood. Products 8/29/2022 1.0
3.2 Cementitious Components . 3.2.1 Cements . Ordinary Portland cement, with a mortar between 400 3600 kg/m, is often used to mix coral concrete. Compared to other parameters such as coral content ...
The average compressive strength of the coral stone is 6.8 MPa. Fig. 19 (a) shows the probability distribution of the compressive strength of reef limestone. The strength of reef limestone is mainly distributed in the range of 5 MPa – 15 MPa, and the relative frequency is 45 %. ... Experimental study on effects to coral sand concrete ...
Conventional Concrete Fig.1 Compressive Strength on different types of Specimen B. FOR OPC (G-43) Table 3: Compressive Strength of Concrete %age Content of Marble Dust Powder 0 5 10 15 20 25 mm 2) 0 5 10 15 20 25 30 %age replacement of Cement Conventional Concrete Fig.2. Compressive Strength on different types of Specimen …
The American Society for Testing and Materials International (ASTM), founded in 1898, is a not-for-profit organization that provides a global forum for the development and publication of voluntary consensus standards for materials, products, systems, and services.
The porosity plays a crucial role in the compressive strength of coral aggregates. the compressive strength of reef limestone is generally higher than that of …
A more remarkable rate-dependence in the compressive strength of coral concrete than other cement-based composites was observed as the dynamic increase factor (DIF) increased from 1.73 to 2.56 ...
From the compressive strength test results, it is identified that a decrement in compressive strength is observed with an increase in the content of marble powder in bricks (Figure 9). The highest C.S at 7-days and 28-days of 34.13 MPa and 41.03 MPa is obtained by M18, which contained 0% marble powder content.
The compressive strength test of granite is ranging from 1050 to 1358 kg/cm 2, for marble the results ranging from 827 to 1020 kg/cm 2. A dry density result of granite is 2.69 and marble dry density is 2.62.
Compressive Strength of Lime Stone Aggregate Concrete With Crimpled Steel F iber- II. International Journal of Civil Engineering and Technology, 8(4), 2017, pp. 7 8 – 83 .
The uniaxial compressive behavior of coral aggregate concrete was experimentally investigated under quasi-static to dynamic loading rates. Quasi-static compression tests of coral concrete at different curing ages were performed at a constant strain rate of 10 −5 s −1 using an electro-hydraulic servo-controlled test machine. …
The compressive and flexural strength of the marble powder replaced mortar between 0 % to 25 % replacement of marble dust powder and its strength decreases if the replacement is between 25 % and 50 %.
The alkaline activator solution was prepared with instantly dissolved Na 2 SiO 3 powder (59.6 wt% SiO 2, 21.6 wt% Na 2 O) with a modulus of 2.85 (M s = SiO 2 /Na 2 O = 2.85), anhydrous NaOH pellets, and artificial seawater [34].Artificial seawater was prepared with reference to ASTM D1141-2003, and its chemical composition is detailed …
the concrete mixes. Compressive strength, split tensile strength & flexural strength of the concrete mixtures has been obtained at 7 and 28 days of curing. The aftereffects of the research facility work demonstrated that supplanting of cement with MDP increment, up to 10% for compressive strength, and up to 15% for split tensile strength ...
The results indicate that basalt fiber can significantly enhance the quasi-static compressive strength (f c)and dynamic compressive strength (f d)of coral sand cement-based composite materials. When the basalt fiber content is 0.4%, the static and dynamic compressive strength of BFRCSCC increases by 28.78% and 37.25% respectively …
The adaptive value of porosity modification may explain differences in porosity and strength between highly stressed branched growth forms and more moderately stressed massive growth forms. Boring organisms reduce the strength of coral skeleton by increasing its porosity. Only minor amounts of boring can produce strength reductions …
In 2015, Yuan prepared high performance coral concrete with strength up to 60 MPa using fly ash and slag instead of part of P∙Ⅱ52.5 ordinary Portland cement in the mix proportion of coral concrete. So far, many researches have been conducted on the mix proportion, strength and durability of coral concrete [6,7]. However, there are few ...
The compressive strength of concrete from stone powder shows 14.76% higher value than that of the concrete made of normal sand. ... 40%, 50%) result in lower compressive strength. Compressive ...
the concrete decreased, which is consistent with earlier findings. 4.2 Compressive Strength All of the concrete mixtures were tested for compressive strength at 7, 14, and 28 days of curing, as required by IS 516 (1959). The specimens were cubes of 150 mm on a side, 150 mm in height, and 150 mm in depth, and were evaluated for
The tested average compressive strength of coral concrete cured for 3 d, 7 d, 14 d, 21 d and 28 d are 32.14 MPa, 35.43 MPa, 37.51 MPa, 38.04 MPa and 40.04 …
The use of marble wastes in concrete mixtures, causing air and water pollution, has been promoted in the academic and practical spheres of the construction industry. Although the effects of various forms (powder, fine, coarse and mixed) of this waste on the concrete compressive strength has been subject to a decent number of …
The average compressive strength of Mexican Coral Stone can vary depending on the specific type and grade of the stone. However, it typically falls within the range of 3,500 …
The increase of compressive strength of the coral concrete is mainly due to the hoop effect and crack bridging effect generated by the fibers [117], [118]. It is also …
Coral concrete consisted of coral, coral sand, cement, water reducer, and seawater. According to the study by Yinfeng et al. [22], four different strength grades of coral concrete were designed.The mix proportions are shown in Table 2.Each group consisted of 9 specimens (3 specimens in which prism axial compressive strength of …
Technical description Volumetric mass: 2.71 g/cm3 Absorption coefficient: 0.10% Open porosity 0.3% Mechanical resistance to compression: 94.61% Mechanical compressive strength after frost resistance:% Mechanical bending strength: 8.73 MPa Wear resistance: 2.42 mm. Resitencia slip (polished surface): USRV Impact resistance: …
class of high strength concrete. e key benet of high strength concrete is on limiting the weight, creep or per-meability issues for upgrading the durability of the struc-tures. High-strength concrete (HSC) was developed in the late 1950s and early 1960s and is dened as a concrete having a compressive strength of more than 40 MPa [3].
Marble is a type of common industrial natural stone. The graph bars on the material properties cards below compare marble to other natural stone materials (top) and the entire database (bottom). ... Mechanical Properties. Compressive (Crushing) Strength. 540 MPa 78 x 10 3 psi. Elastic (Young's, Tensile) Modulus. 54 GPa 7.8 x 10 6 psi. …