Results 31 to 40 of about 6,991,880 (106)
Advances in Materials Science and Engineering, 2021 Need of construction is increasing due to increase in population growth rate. The geopolymer concrete is eco-friendly than ordinary concrete. Current experimental investigation was conducted on ordinary and geopolymer concrete using nondestructive ...
B. Ravali +5 more
doaj +1 more source
Compression of UCT and Rebound Hammer in determination of UCS on rock material / Siti Aishah Noh [PDF]
, 2007 Uniaxial Compression Test (UCT) and Rebound Hammer Test are accepted rock mechanics testing procedure used to determine rock strength in geotechnical practice. Intact Limestones were collected at Pusat Geosains and Mineral Ipoh, Perak.
Noh, Siti Aishah
core
NDT assessment of existing concrete structures: spatial analysis of rebound hammer results recorded in-situ [PDF]
, 2015 A comparative spatial analysis of surface hardness of structural concrete is introduced. Main objective of the paper is to make a repeatability comparison of three types of the still most popular non-destructive testing devices for concrete: L-type ...
Adorján Borosnyói +1 more
core +1 more source
Revista IBRACON de Estruturas e MateriaisTo estimate the compressive strength of concrete is necessary in many reinforced concrete structures inspection works. In Brazil, the standard tests for this purpose are: Compressive test in drilled cores, rebound hammer test and ultrasonic test.
E. Pereira, M. H. F. de Medeiros
doaj +1 more source
Rudarsko-geološko-naftni ZbornikThe Unconfined Compressive Strength (UCS) test is one of the most common methods for determining the rock material strength value. However, the size and complexity of the instrument do not allow UCS testing to be carried out in the field.
Antonina Pri Martireni +8 more
doaj +1 more source
Correlation Between Cerchar Abrasivity Index with Rock Properties in Sandstone and Tuff Samples [PDF]
Muhandisī-i manābi̒-i ma̒danīThe abrasivity of materials is of vital importance in selecting an affordable excavation method in the early stages of a tunneling project. The amount of specific energy and the Mode I and Mode II stress intensity factors in the eroded disc is more than ...
M. Hosseini, D. Fakhri, N. Behnam
doaj +1 more source
A Green Infrastructure SDGS Num 11: Approach Planning Design Model Reliability of Permeability and Concrete Quality Rural Roads P3MD Program in Wonogiri [PDF]
E3S Web of ConferencesDesign planning permeability and quality of rural concrete road construction work in the Program Pembangunan dan Pemberdayaan Masyarakat Desa (P3MD) of the Ministry of Villages, Development of Disadvantaged Regions and Transmigration in Wonogiri, which ...
Ristanto Iwan +2 more
doaj +1 more source
Analysis of Impact Hammer Rebound to Estimate Rock Drillability
, 2000 In this paper, the piston rebound common to both the Schmidt Impact Hammer and downhole hammer drills has been analyzed and calculated by means of stress wave theory and the energy conservation law.
Santi, P. +4 more
core +1 more source
Understanding the Long-Term Development of Portland Pozzolan Cement Concrete Post 28 Days
Materials ProceedingsThis study examines the age-dependent development of compressive strength in Portland pozzolan cement (PPC) concrete under both curing and non-curing conditions.
Muhammad Faisal +2 more
doaj +1 more source
AcousticsRegular inspections of important civil infrastructures are mandatory to ensure structural safety and reliability. Until today, these inspections are primarily conducted manually, which has several deficiencies.
Alexander Lange +4 more
doaj +1 more source