Results 11 to 20 of about 390,219 (218)

Fast Setting, Low Carbon Infrastructure Rehabilitation Using Belitic Calcium Sulfoaluminate (BCSA) Concrete [PDF]

MATEC Web of Conferences, 2022
Rapid-setting binders such as Belitic Calcium Sulfoaluminate (BCSA) are increasingly important as the demand for rehabilitation and fast return to service of roads and bridges grows.
Deo Omkar, Win Deborah, Bhuskute Neel, Chung Danny, deOcampo Nick, Bescher Eric   +5 more
doaj   +1 more source

Fracture behavior of slag & fly ash-based geopolymer concrete in comparison with opc-based conventional concrete, including the effect of steel and hybrid fibers

Revista Ingeniería de Construcción, 2023
The study presents an experimental investigation of the fracture behavior of hardened slag and fly ash-based alkali-activated normal and high-strength geopolymer concrete compared with conventional Ordinary Portland Cement (O.P.C.) based concrete with ...
Pranay Singh, Brijesh Singh, P N Ojha, Amit Trivedi, Abhishek Singh, Chirag Pede   +5 more
doaj   +1 more source

A case study on deterioration assessment and rehabilitation of fire damaged reinforced concrete structure

Journal of Building Materials and Structures, 2021
Fire is one of the most severe hazards that building structures may experience during their lifetime. A fire spread to the whole structure can cause unexpected damages to the structural elements.
Ojha P N, Adarsh Kumar N S, Brijesh Singh, Abhishek Singh, Vikas Patel   +4 more
doaj   +1 more source

Geopolymer Cement: an Initiative towards the Replacement of Grey Cement by Green Cement in Future

Journal of Building Materials and Structures, 2021
The emissions of greenhouse gases such as carbon dioxide from the production of Ordinary Portland Cement and Blended Portland Cement have widely affected the environment with increase in infrastructure development worldwide.
M. Mukesh Kumar , K. Asis Kumar
doaj   +1 more source

Blending Lithium Nickel Manganese Cobalt Oxide with Lithium Iron Manganese Phosphate as Cathode Materials for Lithium-ion Batteries with Enhanced Electrochemical Performance

Electrochemistry, 2023
The effects of LiMn0.7Fe0.3PO4/C (LMFP) species on the electrochemical performance of the blended cathodes of LiNi0.5Mn0.3Co0.2O2 (NMC) and LMFP are examined.
Mayu SHIOZAKI, Hiroki YAMASHITA, Yuko HIRAYAMA, Takaaki OGAMI, Kiyoshi KANAMURA   +4 more
doaj   +1 more source

Statistical characteristics of compressive strength of normal & high strength concrete and concrete made with recycled aggregate

Revista Ingeniería de Construcción, 2022
The paper presents the statistical analysis on the compressive strength of concrete with strength ranging from 30 MPa to 130 MPa. To obtain these concrete strengths, concrete mixes with virgin aggregates were prepared with four different wate r to ...
P. Singh, P.N. Ojha, B. Singh, A. Singh, A. Sagar, R. Yadav   +5 more
doaj   +1 more source

Application of RFID Corrosion Environment Sensing System to Repair Work and Results of 10-year study [PDF]

MATEC Web of Conferences, 2022
To perform preventive maintenance of reinforcing steel corrosion in reinforced concrete, developed an RFID corrosion environment detection system that can wirelessly measure iron sensors that simulate reinforcing bars.
Eriguchi Akira, Fujiwara Hiromi, Isaka Yukitoshi   +2 more
doaj   +1 more source

Pervious concrete, plastic concrete and controlled low strength material- a special applications concrete

Journal of Building Materials and Structures, 2020
The paper presents the study carried out for three special concretes like Pervious Concrete, Plastic Concrete and Controlled Low Strength Materials (CLSM) using locally available materials. Pervious concrete is a concrete with high porosity.
Ojha P N , Suresh Kumar, Brijesh Singh, Mohapatra B N   +3 more
doaj   +1 more source

The cement-bone bond is weaker than cement-cement bond in cement-in-cement revision arthroplasty. A comparative biomechanical study

PLOS ONE, 2021
This study compares the strength of the native bone-cement bond and the old-new cement bond under cyclic loading, using third generation cementing technique, rasping and contamination of the surface of the old cement with biological tissue. The possible advantages of additional drilling of the cement surface is also taken into account.
Marcin Ceynowa, Krzysztof Zerdzicki, Pawel Klosowski, Maciej Zrodowski, Rafal Pankowski, Marek Roclawski, Tomasz Mazurek   +6 more
openaire   +4 more sources

Competitive Interactions of NH3 and Toluene with Biochar Modified by Pre- and Post-Treatments of H3PO4 in Dual Adsorption Systems

BioResources, 2023
Biochar modified by H3PO4 treatment can be used to purify malodorous gases during bio-drying of sludge, but the current understanding of multi-component adsorption of malodorous gases through biochar is limited.
Mingxue Su, Ning Li, Ting Huang, Bing Zhu   +3 more
doaj   +2 more sources