The behaviour and properties of concrete and concrete making materials can be better understood by conducting firsthand experiments in the laboratory. Specifying concrete for durability national ready mixed. This report was initiated by a concrete laboratory report brief given out by professor mark alexander in the civ5002z. The sample size is based on the type and number of tests to be performed. These tests are basically divided into two categories. A modeling example from the world of portland cement concrete edward j. For new concrete this usually involves casting specimens from fresh concrete and testing them for various properties as the concrete matures. Cube test results judges proper concreting at site. Structural concrete properties and practice postgraduate course. The project files should contain documentation of these. The students need to perform test for the better understanding of the processes. January 2019 chapter iv hydraulic cement concrete 4.
Results of tests are recorded on the appropriate form. Lab manual of concrete technology sanjay ghodawat group of. Laboratory and field testing construction materials testing. Report on determining the reactivity of concrete aggregates. These books are used by students of top universities, institutes and colleges. Slump and kelly ball testing would be performed to investigate workability of mixture. The theory part gives brief theoretical background of the experiment while the experimental part outlines the procedure for performing the test. The virtual cement and concrete testing laboratory.
Pdf best practices for pervious concrete mix design and. This book contains standards and specifications of all those tests and is a must to have book for civil engineers. C 109 test method for compressive strength of hydraulic cement mortar. This video animation, animated video explains how to determine compressive strength of the concrete. Lane senior research scientist introduction for rigid pavements, the virginia department of transportation s vdot 1993 road and bridge specifications vdot 1993 specified that the concrete have a 28day compressive strength of 20. Germaine mit spring 2004 laboratory assignment number 5 concrete i. Further, the cost of ssa pervious concrete was analyzed to investigate the mechanism of the ssaenhancement effect in pervious concrete, an fem with cohesive zone model czm and a parameter inverse analysis were adopted in this paper, and most significantly, the itz performance was characterized in mesoscope. There are two kinds of tests which are done on hardened concrete. Concrete and aggregates sgs materials testing laboratory is accredited for and conducts a diverse range of concrete and aggregate tests following australian standards, american standards, british standards and inhouse methods.
Nd t 166 bulk specific gravity of compacted asphalt mixtures using saturated. This edition completely replacesy 201the 9 labofebruarratory manual of test procedures. What are different tests for concrete quality check. Cip 35 testing compressive strength of concrete what is the compressive strength of concrete. Concrete mixtures can be designed to provide a wide range of mechanical and durability properties to meet the design requirements of a structure. There are many tests which are conducted to check the quality of concrete. In its simplest form, concrete is a mixture of paste and aggregates rocks. Best practices for pervious concrete mix design and laboratory tests mortar capping and neoprenerubber are not similar in relation to the compressive strength for cores, but can be considered not. Road and laboratory tests on hotmix asphaltic concrete. Articles on tests on concrete as a construction material for suitability to various civil engineering works for strength and durability.
It will be clear that if all specimens are made from only one batch of concrete this may. Just click on the names of the tests above to know the entire procedure of how we perform these tests. Nd t 152 air content of freshly mixed concrete by the pressure method. Experiments include tests for impact, abrasion and. Building materials laboratory manual fall 2007 2008 prepared by. In addition, our investigations section specialises in concrete investigation and restoration. Manual of aggregate and concrete testing1 introduction this manual is intended to supplement, not in any way to supersede, the variousastm test methods for sampling and testing aggregate and freshly mixed and hardened portlandcement concrete. A concrete laboratory testing technicianlevel 2 is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of advanced laboratory procedures for aggregates and concrete. Concrete is a composite material which is made up of a filler and a binder. As these standards are often compulsory, concrete and aggregate testing by an independent thirdparty is necessary to help assure compliance. Here below list shows the mostly used concrete technology books by students of top universities, institutes and colleges.
If the concrete is placed in the work, report both tests on the weekly concrete report form 2448 with a notation of the amount of water, cement or airentraining admixture added. Once concrete has hardened it can be subjected to a wide range of tests to prove its ability to perform as planned or to discover its characteristics if its history is unknown. We annually perform nearly 40,000 field and laboratory test procedures, including approximately 3,300 laboratory soil sieve analyses and 1,400 laboratory soil moisture density tests, and cast and test 28,000 concrete compressive strength specimens. Cylindrical specimens for acceptance testing should be 6 x 12 inch 150 x 300 mm size or 4 x 8 inch 100 x 200 mm when specified. Mix the concrete at agitating speed for all revolutions over 150. Inspect all materials used in the construction of concrete. Cqc provides the civil engineering industry, particularly in chennai and south india with the appropriate solutions to any issues arising out of concrete quality through insitu and laboratory testing these include condition assessment, design and execution of repair and. Thus, the objective of this manual is to make the students aware of different tests required to be performed for these materials as per indian standards and the acceptable limiting values. Perform a slump test using the procedure given below. Quality tests on concrete are performed as a part of quality control of concrete structures. Revised standard practice certifies concrete laboratories, personnel and equipment. Pdf concrete technology books collection free download. Cement and concrete technology eciv 3341 second semester 20092010 course outline.
View our complete list of laboratory tests and equipment. How to determine compressive strength of the concrete. Odot laboratory test method s with aashto, astm and mftp test references description of test tm 503x epa test method 11 e 70 t 260 t 194 t 178 c 1084 t 260 t 2 a 428 t 65 a 90 tm 580x d 1475 d 2697 d 50 d 2369 d 562 tm 591x d 562 d 711 d 1475 d 1214 tm 6 tm 614 t 97 c 78 c 192 making and curing concrete test specimens in the lab. Road and laboratory tests on hotmix asphaltic concrete synopsis the work reported in this presentation is related to a sixyear study of materials o tests o. Garboczi materials and construction research division building and fire research laboratory national institute of standards and technology. The slump for mixtures 1 to 4 exceeded the 75mm maximum slump specified for paving concretes, and the air content of batches 1 and 5a was slightly below the minimum 4 percent. Weight per gallon determination of paints and coatings. Investigating and characterizing concrete component materials used for highways including cement, aggregate, supplementary and alternative cementitious materials, and admixtures. If results are satisfactory, skip to the next step. To conduct a slump test, concrete is placed into an inverted cone in three stages, using a metal rod to tamp down the concrete after every stage.
Find laboratory soils testing, aggregate testing, block and masonry testing, concrete and asphalt. The cpm defines the concrete program, keeps the moi updated, develops specifications, coordinates research with the virginia. Concrete laboratory manual ce592 department of civil engineering sir j. Compressive strength of concrete cube test provides an idea about all the characteristics of concrete. See chapter 2 concrete properties the compression test. Making and curing concrete test specimens in the lab. Using concrete laboratory to find concrete properties course conduct. The top and best concrete technology books collection are listed in the below table as well as concrete technology books pdf download link. Certification programs are in place for field and laboratory technicians to ensure more reliable testing of jobsite concrete samples. Revised standard practice certifies concrete laboratories. The number of revolutions at mixing speed shall not exceed 150 per specification 2461. The quality tests on the component materials are generally performed in the central laboratory of the state.
The manual was prepared by committee c09 on concrete and concreteaggregates and has been accepted. Concrete quality concepts provides highlevel expertise in the areas of nondestructive testing and concrete technology. Durability of hydrophobic treatments on concrete results. Following are the tests to be conducted to judge the quality of cement. Mechanical performance study of pervious concrete using steel.
Mechanical performance study of pervious concrete using. The project files should contain documentation of these tests. The objective of highway materials laboratory is to determine some of the properties of coarse aggregates and bitumen. Mix the concrete either by hand or in a laboratory batch mixer. The compressive strength of concrete is the most common.
The compression test shows the best possible strength concrete can reach in perfect conditions. This manual has the current versions of our laboratory test procedures. Laboratory and field testing construction materials. The smaller specimens tend to be easier to make and handle in the field and the laboratory. Under no circumstances should the word cement be used to refer to the composite product concrete. Number cy linders made on each c ontract in consecutive order, beginning with number 1. Laboratory manual of test procedures attached is your copy of the new oregon department of transportation laboratory manual of test procedures, february 2020. Pdf concrete technology is a preliminary subject in the. Tests on fine and coarse aggregates 8 specific gravity, void ratio, porosity.
Different quality tests on concrete such as compressive strength tests, slump tests, permeability tests etc. Students can design the mix, make the specimens and test the same for their respective strengths. Concrete technology compressive strength of concrete cube test pdf, procedure, results. Having obtained these certifications, this individual has demonstrated the knowledge and ability to properly perform, record, and report. Concrete and aggregate used in your construction projects has to meet strict regulations and quality standards. Inspect all materials used in the construction of concrete work at their source, on the job, or both. Typical concrete is a mixture of fine aggregate s and, c oarse aggregate r ock, c ement, and water. Tests on concrete workability tests slump cone test, compaction factor test. A concrete laboratory testing technicianlevel 1 is an individual who has obtained concurrent certifications as both aci concrete strength testing technician and aci aggregate testing technicianlevel 1. Title this should indicate the nature of the test and the specifications number used. Our full range of independent concrete and aggregate testing services can help ensure both. Results and discussion laboratory tests table 3 shows the results of the tests using fresh concretes.
Archived portland cement concrete testing manual fhwa. Adequately protect the specimens to avoid shipping damage. Veebee consistometer test, flow table test, strength tests compressive strength. Cement and concrete reference laboratory ccrl or other. Identify and understand the tests and criteria that could be used to satisfy the project performance requirements. The cold weather occurs when the average outdoor temperature is below 4. Laboratory purposethe primary purpose of the concrete laboratory is to conduct research to develop a better, more durable, costeffective, and sustainable concrete infrastructure by. Tests on concrete concrete slump test, compression test for. Compressive strength concrete compressive strength is the most common test conducted for acceptance of concrete. Cold weather concreting is the process of placement, finishing, curing, and protection of concrete during cold weather, as per aci 306. Find laboratory soils testing, aggregate testing, block. Concrete slump testing is used to evaluate the flow characteristics of freshly mixed concrete. The physical laboratory performs testing and evaluation for the concrete program as well as testing the physical properties of other materials such as bridge bearing pads, epoxy repair materials, concrete repair materials, etc. Checking of materials is an essential part of civil engineering as the life of structure is dependent on the quality of material used.
Using concrete laboratory to find concrete properties. Workability measures how easy the concrete is to place, handle and compact. Transport the cylinder, in a capped plastic mold to prevent moisture loss, to the laboratory for further curing and testing. Download handbook of material testing book by shiv kumar pdf. Durability of hydrophobic treatments on concrete results from laboratory tests 333 b the smaller slabs 2 were exposed to air with an increased co 2 content 2. The only work done onsite is to make a concrete cylinder for the compression test. Two of our laboratories have been accredited by the aashto materials reference laboratory amrl. Lab 1 concrete proportioning, mixing, and testing supplemental lab manual prepared by mutlu ozer objectives concepts background experimental procedure report requirements discussion objectives students make concrete according to the mix design. The compression test measures concrete strength in the hardened state. The primary purpose of the concrete laboratory is to conduct research to develop a better, more durable, costeffective, and sustainable concrete infrastructure by.