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Mortar rebound method testing techniques in assembled buildings

Assembled building is a kind of construction method that has received more and more attention in recent years. It is fast, environmentally friendly and efficient, so it is widely used in modern urban construction.

Leling Rebound Instrument Factory: Producing High Quality Concrete Rebound Instruments

Concrete is one of the commonly used materials in construction, and its quality is critical to the stability and durability of the building structure. In order to ensure the accurate assessment of concrete quality, mortar rebound method testing has become an important technical tool. In Leling City, there is a manufacturer specializing in the production of high-quality concrete rebound meters - Leling Rebound Instrument Factory.

How to use mortar rebound method testing instrument for project acceptance

Mortar rebound method testing is a common engineering acceptance method that helps engineers accurately assess the quality and strength of mortar. This article will describe how to use mortar rebound method testing instruments for project acceptance and discuss their importance and applicability.

Essential for project acceptance: the role and advantages of rebound meters

Rebar meter is an indispensable equipment in project acceptance, and its role and advantage is that it can accurately measure the rebound value of rebar, so as to assess the quality and installation of rebar. This paper will introduce the role and advantages of rebar meter in detail, and vividly demonstrate its importance in practical application through dialogues.

ZC3-D and ZC3-W all support the new industry standard JGJ/T23-2011.

The Ministry of Housing and Urban-Rural Development now approves the "rebound method for testing the compressive strength of concrete technical procedures" for the industry standard, No. JGJ/T23-2011, since December 1, 2011 onwards. The original industry standard "rebound method for testing the compressive strength of concrete technical procedures" JGJ/T23-2001 is abolished at the same time.

ZC3-A Concrete Rebound Tester

productdescription:ThisinstrumentisaconcretereboundmeterthatfullycomplieswiththeindustrystandardJGJ/T23-2011"TechnicalRegulationsforTestingtheCompressiveStrengthofConcretebyReboundMethod".Itisusedtodetectthecompressivestrengthofradonintherangeof10-60Mpa.ThenominalenergyofthereboundmeterItis2.207J,andtheindicationsystemisapointerdirect-readingmediumreboundtester.ThetechnicalparametersoftheinstrumentareinaccordancewiththevarioustechnicalspecificationsoftheNationalMetrologicalVerificationRegulationofthePeople'sRepublicofChina"ConcreteReboundTester"(JJG817-2011).TechnicalParameters:●Handlength:20.0±0.2(mm)●Handfriction:0.65±0.15(N)●Sphericalradiusoftheendofthebouncerod:25±1.0(mm)●Rigidityofbouncetensionspring:785.0±30.0(N/m)●Unhookpositionofthebouncehammer:atthescaleline"100"●Workinglengthofbouncetensionspring:61.5.0±0.3(mm)●Theimpactlengthofthehammer:75±0.3●Bouncingpositionofbouncehammer:"0"onthescale●Fixedvalueofsteelanvil:80±2       Performancecharacteristics:Theconcretereboundtesterusesaspringtodrivethehammerandtherestorationforceoftheinstantaneouselasticdeformationgeneratedbyhittingtheconcretesurfacebythehammer,sothatthehammerwilldrivethepointertoreboundandindicatetherebounddistance.Thereboundvalue(theratiooftherebounddistancetothedistancefromthehammertothehammerbeforeimpact,calculatedasapercentage)isusedasoneoftheindicatorsrelatedtothecompressivestrengthofconcretetoestimatethecompressivestrengthofconcrete.Itisaninstrumentfornon-destructivetestingofthecompressivestrengthofconcreteinstructuresorcomponents.Thisinstrumentislight,flexible,inexpensive,doesnotrequirepower,thebuttonisnoteasytofallusingthestretchingprocess,thepointeriseasytoadjustthefriction,anditiseasytograsp.Itisverysuitableforon-siteconstructionsites,plusthecorrespondingreboundgaugeverificationproceduresandreboundmethod.Theformulationandimplementationoftechnicalregulationsfortestingthecompressivestrengthofconcretehaveensureditsdetectionaccuracy,andhavebeenwidelyusedinChina'sconstructionindustry.

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