impact compression properties of artificial cemented sand

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Impact compression properties of artificial cemented sand ...

IMPACT COMPRESSION PROPERTIES OF ARTIFICIAL CEMENTED SAND MATERIAL UNDER ACTIVE CONFINING PRESSURE. JINJIN G E, Y ING X U ISSN P RINT 1392-8716, ISSN O NLINE 2538-8460, K AUNAS, L ITHUANIA 869 2. Method of study This study focuses on the dynamic mechanical properties of deep rock mass subjected to impact by explosion. Presently the research

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Impact compression properties of artificial cemented sand ...

In order to explore the mechanical properties of rock with deep in-situ stress under explosive impact, cemented sand material (artificial material) instead of rock was used to carry out impact dynamics test under the condition of confining pressure. The experimental results show that the stress-strain curve of cemented sand specimens tested by triaxial impact compression changes significantly ...

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Properties of Artificially Cemented Carbonate Sand ...

Jun 01, 1998  The index properties, and the compression and stiffness parameters of the cemented sands are presented, with particular attention given to the influences of density and degree of cementation. For the artificial soil, the effects of the bonding are only significant for stresses below an apparent preconsolidation stress.

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(PDF) Effect of Artificial Sand on Compressive Strength ...

Artificial sand confirming to all four zones was having specific gravity of 2.76 also used to full replacement of natural sand. The fineness modulus of coarse aggregate, natural sand and artificial sand was 7.81, 5.18 and 4.62 respectively. The water absorption was 0.50% and 0.52% for coarse aggregate and natural sand respectively.

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Impact of Artificial Sand on the Properties of Concrete ...

Impact of Artificial Sand on the Properties of Concrete and Mortar Trupti mala pattnaik1, Harekrushna Nayak2 1(Department Of Civil Engineering ,Gandhi Engineering College, India) 2(Department of Civil Engineering ,Gandhi Institute For Technology, India) Abstract: An enormous quantity of concrete is consumed by the construction industry. About ...

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Compressive and Tensile Strength of Artificially Cemented ...

Artificial cementation is a technique commonly used to improve the mechanical properties of soils for use in geotechnical engineering works, because it often provides economic and environmental advantages. In order to study the factors that influence the behavior of cemented dune sand from Natal, series of unconfined compression and splitting tension tests were performed.

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The behaviour of an artificially cemented sandy gravel ...

10%  The major section of the city of Tehran, Iran has been developed on cemented coarse-grained alluvium. This deposit consists of gravely sand to sandy gravel with some cobbles and is dominantly cemented by carbonaceous materials. In order to understand the mechanical behaviour of this soil, a series of undrained triaxial compression tests and unconfined compression tests were

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Stiffness and strength of an artificially cemented sand ...

Mar 21, 2021  10%  Few studies have investigated the effect of cement setting under stress on granular soils. The pioneering work was published by Zhu et al. [], who studied the behavior of artificially cemented samples cured under stress in oedometric tests.Consoli [15,21,22], Rotta et al. [], Ahnberg [], Dalla Rosa et al. [], Rabbi et al. [], Suzuki et al. [] and Zhang et al. [] verified the

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(PDF) Cemented Sands under Static Loading

Li et al. (2015a, b) studied the effect of cementing agent content on the strength of cemented sand by conducting uniaxial compression tests and consolidated drained triaxial compression tests on ...

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Effect of fiber reinforcement on deformability properties ...

inclusion on deformation characteristics of cemented sand. The cement contents were 2, 4, and 6% by weight of the dry sand and samples were cured for 7 days. PVA fibers with a length of 12 mm and a diameter of 0.1 mm were added to sand-cement mixtures at a weight ratio of 0.0%, 0.3%, 0.6% and 1% (dry wt.). The compression stress-

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Impact of Artificial Sand on the Properties of Concrete ...

Impact of Artificial Sand on the Properties of Concrete and Mortar Trupti mala pattnaik1, Harekrushna Nayak2 1(Department Of Civil Engineering ,Gandhi Engineering College, India) 2(Department of Civil Engineering ,Gandhi Institute For Technology, India) Abstract: An enormous quantity of concrete is consumed by the construction industry. About ...

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The behaviour of an artificially cemented sandy gravel ...

The major section of the city of Tehran, Iran has been developed on cemented coarse-grained alluvium. This deposit consists of gravely sand to sandy gravel with some cobbles and is dominantly cemented by carbonaceous materials. In order to understand the mechanical behaviour of this soil, a series of undrained triaxial compression tests and unconfined compression tests were performed on ...

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Experimental Study on Artificial Cemented Sand Prepared ...

Artificial cemented sand test samples were prepared by using ordinary Portland cement (OPC) as the cementing agent. Through uniaxial compression tests and consolidated drained triaxial compression tests, the stress-strain curves of the artificial cemented sand with different cementing agent contents (0.01, 0.03, 0.05 and 0.08) under various confining pressures (0.00 MPa, 0.25 MPa, 0.50 MPa and ...

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Statistical Analyses of Shear Strength Properties of ...

Jul 13, 2021  Li et al. (2015a, b) studied the effect of cementing agent content on the strength of cemented sand by conducting uniaxial compression tests and consolidated drained triaxial compression tests on artificial cemented sand using ordinary Portland cement.

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Prediction of compressive and tensile strengths of zeolite ...

Mar 30, 2019  The current paper aims to examine the effects of cement and zeolite contents on the strength of zeolite-cemented sand using the unconfined compressive strength (UCS) and splitting tensile strength (q t).First of all, the optimum content (i.e., the corresponding water content to the maximum UCS) was obtained from the response surface (RSM) and central composite design (CCD) methods.

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Experimental Study on Artificial Cemented Sand Prepared ...

Artificial cemented sand test samples were prepared by using ordinary Portland cement (OPC) as the cementing agent. Through uniaxial compression tests and consolidated drained triaxial compression tests, the stress-strain curves of the artificial cemented sand with different cementing agent contents (0.01, 0.03, 0.05 and 0.08) under various confining pressures (0.00 MPa, 0.25 MPa, 0.50 MPa and ...

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Factors Affecting the Mechanical Properties of Cement ...

Nov 28, 2016  A study has been conducted to investigate the mechanical properties of cement-mixed gravel using the unconfined compression test and the tensile test. Basic factors including the curing period, the water-binder ratio, the cement content, and the strain rate were evaluated. Ordinary Portland cement with fly ash was employed as the cementation agent for preparing cemented samples.

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(PDF) Prediction of compressive strength of concrete using ...

Henceforth, an attempt has been made in the present study to use artificial neural network for predicting the compressive strength of concrete made up with two different cement types i.e. Portland Pozzolana Cement (PPC) and Portland Slag Cement (PSC) with manufactured sand and natural sand as aggregate for four different water-cement (w/c ...

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Experimental Study on Static and Dynamic Compression ...

For dynamic compression properties of the filled rock joints, carried out a systematic study on Li and Ma (2009) the artificial joints filled with sand through the improved SHPB test device in ...

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Frontiers A Constitutive Model for Cemented Tailings ...

Constitutive model is the foundation describing the mechanical properties of materials. Cemented tailings backfill (CTB) plays an important role in goaf filling. However, a universally applicable constitutive model for CTB has not been proposed yet. In this paper, a two-stage constitutive model of CTB under uniaxial compression was established, based on the Weibull distribution density ...

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Physico-Mechanical Properties of Concrete with Industrial ...

A brief literature on the study of concrete properties with quarry dust and steel slag are discussed in this section. An experimental investigated was made by using stone dust passing from 200 mm sieve and 100 mm sieve as cement and sand replacement respectively. Cement was replaced partially with stone dust by 3, 5, and 7 percent.

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How About Artificial Sand Compared With Natural Sand MC

Artificial sand also called manufactured sand or crushed sand, the artificial sand are manufactured by crushing rocks, stones or larger aggregates into small size particles in the quarry. Recent years, with the decrease of natural sand, the market of artificial sand shows great potential and vitality.

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Appraisal of artificial sand concrete

This paper present the physibility of artificial sand in concrete for the purpose of experimentation concrete mixes are design for m20 and m25 grades by 0 to 100 % with increment of 20 % ...

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6 V May 2018 doi/10.22214/ijraset.2018

this instance, sand, cement and other materials such as fiber, glass, nanoparticle and zeolite can be commercially available and effectively used in soil stabilization in road construction. The influence and effectiveness of zeolite on the properties of cemented sand systems have not

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Effects of Sand Quality on Compressive Strength of ...

Aug 01, 2014  both physical and strength properties of the resultant concrete. Water, cement, fine aggregates, coarse aggregates and any admixtures used should be free from harmful impurities that negatively impact on the properties of har-dened concrete. Sand is one of the normal natural fine aggregates used in concrete production e- [1]. Past r

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EFFECTS OF MANUFACTURED SAND ON COMPRESSIVE

M-Sand By Natural Sand In High Performance Concrete With Silica Fume”, International Journal of Engineering Sciences Emerging Technologies, Vol. 2, pp. 73-80. 3. Saeed Ahmad and Shahid Mahmood (2008), “Effects of Crushed And Natural Sand on The Properties of Fresh and Hardened Concrete”, 33rd Conference on Our World In Concrete ...

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Compressive strength and durability properties of ceramic ...

on the properties and on the durability of concrete containing ceramic wastes. Several concrete mixes possessing a target mean compressive strength of 30 MPa were prepared with 20% cement replacement by ceramic powder (W/B = 0.6). A concrete mix with ceramic sand and granite aggregates were also prepared as well as a concrete mix with natural sand

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Various simulation techniques to predict the compressive ...

Mar 02, 2021  Advances in technology and environmental issues enable the building industry to use ever more high-performance materials. In this analysis, the hardness of cement mortar with high-volume silica fume has been evaluated and modeled using different model technics. Cement is an essential component of building construction. Physical and mechanical properties of cement mortar, as well as

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Geotechnical Engineering Properties of Soils Solidified by ...

Jun 22, 2021  Cheng et al. continuously injected artificial acid rain (pH = 3.5) into cemented sand columns. He found that mass was continuously lost and that the strength was reduced by up to 40%, indicating that biocemented sand has a low resistance to acid rain erosion, mainly because the H + in acid rain reacts with the CaCO 3 between the sand particles ...

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Microbially Induced Cementation to Control Sand Response ...

Nov 11, 2006  This paper presents the results of a study in which natural microbial biological processes were used to engineer a cemented soil matrix within initially loose, collapsible sand. Microbially induced calcite precipitation (MICP) was achieved using the microorganism Bacillus pasteurii , an aerobic bacterium pervasive in natural soil deposits.

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An Investigation into the Use of Manufactured Sand as a ...

Manufactured sand differs from natural sea and river dredged sand in its physical and mineralogical properties. These can be both beneficial and detrimental to the fresh and hardened properties of concrete. This paper presents the results of a laboratory study in which manufactured sand produced in an industry sized crushing plant was characterised with respect to its physical and ...

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(PDF) Engineering behavior of a sand reinforced with ...

Also, the non- strength of the PET fiber-reinforced cemented sand based on un- linear relationship between the unconfined compressive strength confined compression and splitting tensile tests and 共2兲 the influ- (q u ) and the CC noted in Fig. 2 is accounted for in the corre- ence of fiber length 共12 and 36 mm兲, fiber inclusion 共0 and ...

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Effect of the Ratio between Porosity and SiO2 and Al2O3 on ...

Apr 04, 2018  Results indicate that cement replaced by zeolite at optimum proportion of 30% and the value of improved q t of the cement sand specimens because zeolite and cement chemical properties are exploited. Increasing cement content and porosity of the compacted mixture, the efficiency of using zeolite rises. In this paper, it has been shown that for ...

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US8921463B1 - Synthetic aggregate for use in concrete ...

The synthetic aggregate for use in concrete is a composite material of recycled plastic having a filler encapsulated in the plastic. The synthetic aggregate includes between 30% and 50% recycled shredded plastic, the balance being filler. The plastic may be linear low-density polyethylene (LLDPE). The filler can include red sand, fly ash and quarry fines.

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Effect of Sand Fines and Water/Cement Ratio on Concrete ...

conducted to determine the effect of fines content in sand and water/cement ratio on some properties of concrete. Fines content in sand of 2%, 4%, 6%, 8%, 10% and 12% as well as water/cement ratio of 0.55, 0.6 and 0.7 were used. The concrete were prepared using the basic mix 1:2:4.

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Anderson Peccin da Silva - Consultant/Researcher in ...

The present work proposes a new theoretical model for predicting both the splitting tensile strength (qt) and the compressive strength (qu) of artificially cemented sand and assesses their ratio for a given material. The proposed model is based on the concept of the super-position of the failure strength contributions of the sand and cement phases.

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PAPER OPEN ACCESS Comparative Study on Strengthening of ...

Apr 30, 2020  2009[16].Target design level of concrete mix is set as 30 MPa. 53 grade Dalmia brand ordinary Portland cement according to IS 12269-2013[17] with water -cement ratio of 0. 5 are used. The fine aggregates with a specific gravity of 2.67 (river sand) and coarse aggregate passing through 20

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Publications (SCI(E)) - Geosystems Lab at KHU

"Compression Index and Small Strain Stiffness of Six Coal Bottom Ashes in South Korea." KSCE Journal of Civil Engineering, 24(12), 3584-3593. Yoon, B., Lee, W., Lee, C., and Choo, H. (2020). Time-Dependent Variations of Compressive Strength and Small-Strain Stiffness of Sands Grouted with Microfine Cement.

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