The use of the mackintosh probe for site investigation in soft soils. The mackintosh probe is one of most widespread penetrometers in use in. The doe method was first published in 1975 and then revised in 1988. Bs sand replacement test sets, soil testing equipment. This step will be repeated few times with a different moisture content added to obtain a series of data. What is the difference between dynamic probing and. See more of bs testing laboratory sdn bhd on facebook. Pdf standard penetration test in engineering geological.
Definition and examples of standard british english. Procedure for the determination of elastic moduli for compliant materials using atomic force microscope and the twopoint jkr method british standard this document describes a procedure for the determination of elastic modulus for compliant materials using atomic force microscope afm. This british standard is the uk implementation of en iso 22476 1. The proposed vibrating hammer method of compaction specifically addresses the influence of oversize particles. Sampling and examination of bituminous mixtures for roads and other paved areas bs 598112. Mackintosh probe testing, which provides an indication of the density of a granular soil by. An equation has been derived to relate the mackintosh mvalue with the spt nvalue for cohesive soil. The wavelength of uv radiation ranges from 328 nm to 210 nm 3280 a to 2100 a. The mackintosh prospecting tool consists of rods which can be threaded together with barrel connectors and which are normally fitted with a driving point at their base, and a light handoperated driving hammer at their top. Jkr mackintosh probe test foundtest drilling sdn bhd. Inactivation of microorganisms results from destruction of nucleic acid through induction of thymine dimers.
Jkr probe created as equivalent to mackintosh probe as mackintosh probe is patented in the early days. Standard penetration test spt to investigate the ground properties at universiti. Learn about the international material testing standards for plastics and rubber and find out which standards apply to your products. Trl dynamic cone penetrometer, soil testing equipment. Such earth materials include soil, dimension stones, slate, soilcement mixtures, ground water. Abstract the use of the mackintosh probe for site investigation in soft soils a. The probe is unable to penetrate into medium strength soil and gravelly ground. This is a light dynamic test and the cone is drivendirectly into the soil by driving a hammer 5 kg. Astms geotechnical engineering standards are instrumental in specifying, testing, and investigating the physicalmechanical properties and characteristic behaviors of surface and subsurface earth materials that are relevant to a construction project. Automatic console 2000kn cube and cylinder compression machine. Jones2 1geotechnical group, civil engineering department, university of tehran, po box. Geotechnical engineering standards astm international. This apparatus, originally developed by the trluk transport research laboratory, has been designed under licence from trl for the rapid insitu measurement of the structural properties of existing road pavements constructed with unbound materials.
Soil investigation probe mackintosh by aila nas on prezi. The friction ratio, computed as the ratio of the sleeve friction to the cone tip resistance, is plotted versus depth in fig. Allowable bearing capacity is what is used in geotechnical design, and is the ultimate bearing capacity divided by a factor of safety. Mackintosh probe prospecting kit soil and geotechnical. The test procedure is described in the british standard standard penetration test spt 5272016 9 advantages disadvantages. Pdf correlation of jkr probe with undrained shear strength. Fugro are pioneers in performing cone penetration tests. Ultimate bearing capacity is the theoretical maximum pressure which can be supported without failure. Particle size distribution testing using the wet sieve method was conducted on the underlying. Mackintosh probe prospecting kit sl015 impact test. The mackintosh probe development was based on the principles stated by hvorslev 1948 for drive rods for sounding and sampling and recommended methods for static and dynamic sounding by european group subcommittee 1968.
Pdf the jkr probe test is a popular field test in malaysia, and is especially used in soft soil areas to determine bearing capacity. Correlation plots of the results from both methods gave linear equations, y 0. Learn how fugros ground testing methods can determine soil type and stratification, geotechnical and dynamic properties, geoenvironmental properties, hydraulic behaviour, and conduct obstruction and uxo surveys. Temperature measurement standards astm international. The british method of concrete mix design, popularly referred to as the doe method, is used in the united kingdom and other parts of the world and has a long established record. Guidebook on nondestructive testing of concrete structures. The trl transport research laboratory dcp dynamic cone penetrometer is designed to give a continuous reading of insitu resistance down to a depth of 850mm or deeper. Mackintosh probe test specification technical standard. The tool provides a very economical method of determining the thickness of soft. Hand held digital thermometer and probe test record sheet method. Temperature measurement standards astms temperature measurement standards provide the material and property specifications, as well as guides for the testing, calibration, and use of laboratory, industrial, and clinical instruments used in the determination of thermal variables, particularly temperature.
Insitu testing using the trl dcp geointegrity, site. An equation has been derived to relate the mackintosh m. The dcp except for the hammer is typically constructed of stainless steel to prevent corrosion. Mackintosh probe test mpt one of the most common types of probing is mackintosh probe. Five static cone penetration test cpt soundings were performed in the top soil layer down to refusal. The use of the mackintosh probe for site investigation in. The mackintosh prospecting tool consists of rods which can be threaded together with barrel couplings, fitted with a driving point at their base, and a light handoperated driving hammer at their top. Based on the results from this research, a draft astm standard for the vibrating hammer method of compaction has been written, is well into the balloting process, and should become an astm standard method of test in late 2007 or early.
Soil investigation ikpkt jabatan kerajaan tempatan. The following british standard publications are available for purchase from our web site. The publications listed below are new and revised british standards that were made available last month. Probe, repeatability, site investigation, standard penetration test. The mackintosh probe test is a simple and economic testing method to gather preliminary data on sub surface conditions. Results of jkr probe and mackintosh probe can be taken as equivalent. The mackintosh probe is one of most widespread penetrometers in use in saudi arabia. A study of effective soil compaction control of granular soils. Cone penetration tests ground testing methods fugro. Spt involves the driving of a standard sampler through a distance of 450mm into the bottom of a borehole using the standard weight of 63. However, the developed fifes method was faster and more convenient to perform than the standard method.
Mackintosh probe as an exploration tool springerlink. Mercury vapor lamps emit more than 90% of their radiation at 253. In numerous test on soil with uniform soil resistivity it has been found that grounds resistance is at around 62% some documents says at 61. John algeo notes, however, that despite numerous differences in pronunciation, american english resembles present standard british english more closely than it does any other british type of speech the origins and development of the english language, 2014. Such data maybe adequate for the designs of foundations for lightly loaded structures as this provides a very economic method of determining the. It is a considerablyfaster and cheaper tool than boringequipment especially when thedepth of exploration is moderate andthe soils under investigation are softor loose mackintosh probe which has 30. Standard british english is sometimes used as a synonym for received pronunciation rp. Bearing capacity of soil is the value of the average contact pressure between the foundation and the soil which will produce shear failure in the soil. The probe consists of a cased screwed onto the lower end of the rod. Probe machintosh tools hammer soil investigation probe mackintosh marking tools equipment of probe machintosh probe machintosh road 6pcs x 1 meter wrench penetration cone group members. Dynamic probing is a continuous soil investigation technique, which is one of the simplest soil.
Electrochemical probe method british standard iso 5814. For standard proctor test, this step is carried out using a 2. Cbr to bs and astm standards, marshall tests and many more. Method statement for mackintosh probe test main contract bp 03 document ref no. Where road pavement design is required a quick and effective method of gathering large amounts of information across a site is the use of the trl dcp probe picture left. Determination of potassium, sodium, and total alkalies in. The use of the mackintosh probe for site investigation in soft soils article in quarterly journal of engineering geology and hydrogeology 392. Classification and method of test for external fire exposure to roofs supersedes bs 4763. In determining the method of investigation, there are two methods commonly used to do the works mackintosh probe, there are straight line methods and triangle method. The combined weight of the upper shaft, anvil, lower shaft and cone should be approximately 3. Its maximum bactericidal effect occurs at 240280 nm.
The purpose of this paper is to present the capability and limitations of this probe. Jkr mackintosh probe the mackintosh probe is alightweight and portablepenetrometer. Bearing capacity technical guidance on the geotechnical. The tool provides a very economical method of determining the. Mackintosh probe test specification technical standard quality. The verification of the degree of compaction can be determinate on site by a simple procedure consisting essentially in removing and weighing a part of compacted soil and replacing in the hole with sand by a simple apparatus recording the volume of sand and then calculating the density of the removed soil.