concrete crack comparator card

Crack Comparator Gauge Measures Concrete Crack Widths …

HM-639 Economy Crack Comparator measures crack widths of used in roads, pavements, bridges and other structures. This credit card-sized device is inexpensive, fits in a pocket, and can monitor cracks from 0.1 to 7.0mm (0.004 to 0.26in). Marked in inch and metric measurements. View our full line of Concrete Crack Monitors.

: CRACKMON 224R Crack Width Comparator …

May 05, 2015 · The mm precision is great, which is why I purchased it, but due to that precision the upper limits to the crack/gap/joint measurement is limited, compared to a harrington paper card that spans 1/64 to 3/8 of an inch. So for larger cracks and joints in or flooring, this card …

User rating: 3.1/5

Crack Comparator | Purchase an Economy Crack Comparator ...

The Economy Crack Comparator is a handy, credit card-sized field width reference gauge that slips easily into your pocket or wallet. Perfect for cracks measurements and monitoring. Clear plastic card is marked with inch and metric scales as well as a range of common crack sizes.

CRACKMON® 224R Crack-Width Comparator — BUILDERA

The Buildera CRACKMON® 224R™ economy crack-width comparator is a handy, pocket-sized crack measuring gauge for quick assessment of cracks in reinforced , masonry, drywall, stucco, and other building materials and structures.

Magnifying Crack Comparator - Test Mark

This magnifying comparator simply monitors cracks in and masonry structures. Minimum scale is.001" and maximum is.050. Comes in a holder that …

Opentip: Custom Crack Comparator, 3 1/3" L x 2 1/5" W ...

This Crack Comparator is a handy, credit card-sized field width reference gauge that slips easily into your pocket or wallet. Perfect for cracks measurements and monitoring. Clear plastic card is marked with inch and metric scales as well as a range of common crack sizes.

Crack Monitors for Concrete - Gilson Co.

Economy Crack Comparator is a convenient, easy-to-use device similar in size to a credit card. It is a good field reference for monitoring cracks that range in size from 0.1 to 7.0mm. Standard Crack Monitor has a range of 20mm horizontally and 10mm vertically. The upper plate is transparent and marked with a red crosshair indicator.

Concrete Crack Ruler | Everything Branded USA

This crack ruler calculator is made of a plastic material and offers a great way to promote paving companies. To use it, simply enter the width, length, and thickness of your pour. The calculator will estimate the number of cubic yards of that will be required.

Brand: EverythingBranded

Crack Evaluation and Repair| Concrete Construction Magazine

Dec 21, 2011 · Crack widths typically are estimated using a crack comparator card. Measuring crack widths helps to classify the severity of cracks and evaluate the effectiveness of the aggregate interlock across the crack for vertical slab alignment and load transfer. Also, many repair options are somewhat dependent on crack widths.

Alternative methods for measuring crack width

A crack comparator card generally has sufficient accuracy to determine crack widths for repairs since the recommended limit for epoxy injecting a crack is 0.01 in. (0.25 mm). In my experience, optical microscopes can be challenging to use even when evaluations are performed in direct sunlight because the models I’ve used only allow light from one side of the scope.

AddMyLogo: Custom Crack Comparator, 3 1/2" L x 2 1/5 ...

This Crack Comparator is a handy, credit card-sized field width reference gauge that slips easily into your pocket or wallet. Perfect for cracks measurements and monitoring. Clear plastic card is marked with inch and metric scales as well as a range of common crack sizes.

Crack Measuring Device | Concrete Crack Meter | PCTE

Crack Width Meter. The crack width meter is used as a comparator to give an approximate crack size during visual surveys. Made of durable plastic; Graduations from 0.1 mm to 2.5 mm; Crack Monitor. On some structures the rotation at cracks is also significant. This gauge is specifically designed to measure rotation, transverse and longitudinal movement.

Concrete Crack Width Ruler | Elcometer E143

Similar in size to a standard credit card, this transparent ruler is marked with a range of graded lines, each with a specified width. To use, position the gauge over the crack and identify which line is a similar width to the crack. Read off the width value.

Contact - CTLGroup

OUR LOCATIONS We serve clients around the globe. CTLGroup engineering services in Michigan, New York, and North Carolina are provided through. CTL Engineers & Construction Technology Consultants, P.C.

Elcometer 143 Crack Width Ruler

This simple gauge has been designed to provide inspectors with a low cost alternative to a graduated microscope for determining the width of a crack in a or other building materials. Similar in size to a standard credit card, this transparent gauge is marked with …

CRACKMON® 224R-50 Crack-Width Comparator (50 Pack) …

The BUILDERA CRACKMON® 224R-50 crack-width comparator is a handy, pocket-sized crack measuring gauge for quick assessment of cracks in reinforced , masonry, drywall and other building materials and structures. Use for periodic inspection or in conjunction with long-term monitoring with CRACKMON Structural Crack Monitors.

Crack Monitors - Concrete Testing - Grainger Industrial Supply

Browse through our assortment of crack monitors. Use them on various executions, as they track movement on a crack or a flat surface. They can be used on corners as well. Several them feature multi-direction and record sheets. Our collection features quick and reliable results.

Opentip: Custom Concrete Crack Width Ruler, 3 1/3" L x ...

This simple crack width ruler has been designed to provide inspectors with a low cost alternative to a graduated microscope for determining the width of a crack in or other building materials. Similar in size to a standard credit card, this transparent ruler is marked with a range of graded lines, each with a specified width.

User rating: 5/5

Crack Width Card, Crack Width Card Suppliers and ...

Crack width card products are most popular in North America, South Asia, and Southern Europe. You can ensure product safety by selecting from certified suppliers, including 11 with ISO9001, 7 with FSC, and 1 with Other certification.

Quantification of Cracks in Concrete Bridge Decks in …

Quantification of Cracks in Concrete Bridge Decks in Ohio District 3 Student Study Project State Job Number: 134564 ... •Measure crack widths using a crack comparator card 20 . Database ... Quantification of Cracks in Concrete Bridge Decks in Ohio District 3 ...

Measuring crack widths in reinforced walls ...

Jul 23, 2012 · I am interested in knowing how structural engineers measure crack widths in existing reinforced walls. As long back as I can rememeber, we have used the CTL crack width gauge which is a transparent piece of plastic on which are marked lines of different widths from 0.20 mm to …

Crack Gauge for Concrete Crack Monitoring - Humboldt Mfg

Crack Monitors, continued Humboldt’s line of crack monitors include use for flat surfaces, corners and displacement applications. We maintain a huge inventory for immediate shipment of crack monitors whether you only need one or a couple hundred.

Evaluating Concrete Cracking by Measuring Crack Width ...

The methods described here are for evaluating cracks that are roughly perpendicular to the surface. Larger cracks can be measured with limited accuracy by using a calibrated scale, perhaps with the aid of a magnifying glass. Optical comparators make it easy to measure crack widths to an accuracy of 0.002 inch or 0.001 inch.

Miscellaneous Accessories – Lily Corporation

T-010 Tra-Card: Tra-Cards are for use with the Tracker to monitor the thermal movement of cracks and joints. [Product Details...] T-020 Tracker: The Tracker is used in conjunction with the Tra-Card to create the Scratch-A-Track crack monitoring system [Product Details...] M-888 Comparator Card

Pocket Size Crack Width Comparator Gauge - for Reinforced ...

• (1 Qty) Buildera CRACKMON® 224R Crack-Width Comparator, printed user guide and crack-width trend chart. RELATED PRODUCTS • (50 Qty, Bulk) Buildera CRACKMON® 224R Crack-Width Comparator (UPC 816291010167), shrink-wrapped package of 50 pieces. Pocket-sized crack-width gauge for reinforced and masonry

Brand: Buildera

Crackmon 224r Crack Width Comparator Gauge ACI 224r-01 ...

The card is made from recyclable polyethylene that has been modified to ensure high clarity and bending strength without snapping. See details - Pocket Size Crack Width Comparator Gauge - for Reinforced Concrete and Masonry

Concrete Testing Instruments. – Testing, Inspection ...

Crack Detection Microscope Magnification X 40 Measuring Range of 4mm In 0.02mm Divisions Non-Destructive Testing of Fresh and Hardened Concrete. Crack Depth Meter RMG 4015 Determination of depth and orientation of surface cracks. crack depth gauge RMG 4015 measures crack depths on workpieces of iron, ferrous and austenitic steels and can also ...

: Customer reviews: CRACKMON 224R Crack …

Find helpful customer reviews and review ratings for CRACKMON 224R Crack Width Comparator Gauge (ACI 224R-01 Compliant) at . Read …

User rating: 3.1/5

Crackmon 224r Crack Width Comparator Gauge ACI 224r-01 ...

The card is made from recyclable polyethylene that has been modified to ensure high clarity and bending strength without snapping. See details - Pocket Size Crack Width Comparator Gauge - for Reinforced Concrete and Masonry

Receive a Free Crack Comparator - Concrete Repair

Receive a Free Crack Comparator. The ACE Restoration Newsletter, will provide information on new project profiles, industry news, engineering information and informative links.. Please sign up and receive a crack comparator free (please provide your mailing address in comments box)

CRACKMON 224R Crack Width Comparator Gauge (ACI …

So for larger cracks and joints in or flooring, this card basically becomes a $14 ruler. The harrington card also has a big fat blue arrow on the backside of the card, which is incredibly useful for pointing out the subject of a photo.

Reviews: 13

Economy Crack Comparator – GlobalTroxler

Economy Crack Comparator is a handy, credit card-sized field reference that slips easily into your pocket or wallet. Clear plastic card is marked with inch and metric …

Crack Width Comparator Gauge Concrete Cracks Detector ...

Crack Width Comparator Gauge Concrete Cracks Detector , Find Complete Details about Crack Width Comparator Gauge Concrete Cracks Detector,Concrete Cracks Detector,Crack Width Comparator,Crack Width Gauge from Industrial Metal Detectors Supplier or Manufacturer-Dalian Taijia Technology Co., Ltd.

CRACKMON 224R Crack Width Comparator Gauge (ACI …

The card is made from recyclable polyethylene that has been modified to ensure high clarity and bending strength without snapping. Printable crack-width tracking sheets available online. No contractor's toolbox is complete without the CRACKMON® 224R Pocket Crack-Width Comparator

CRACKMON 224R Crack Width Comparator Gauge (ACI …

So for larger cracks and joints in or flooring, this card basically becomes a $14 ruler. The harrington card also has a big fat blue arrow on the backside of the card, which is incredibly useful for pointing out the subject of a photo.

Reviews: 15

Crack Measuring Gauge - Precision Range - 90 mm x 55 mm …

Thank you for contacting us about Crack Measuring Gauge - Precision Range - 90 mm x 55 mm x 0.3 mm - Stainless Steel - 321066 - Toledo.

Concrete Cracking - PCTE

Steel-reinforced will naturally crack, usually in a controlled manner after cutting but sometimes as a sign of other defects or damage, or as a result of improper casting or curing. Crack investigation tools can be used to measure precisely the visible width of a crack, monitor the movement or rotation of cracks or to measure the crack depth.

Crack Meter - RST Instruments Ltd.

Applications. Monitor crack separation or convergence, in structures. Monitor joints for movement caused by nearby geotechnical activity. Alarm triggering when separation or convergence of two reference points reach a preset critical rate or value - requires use of data logger and RST’s GeoViewer Software.

International Concrete Repair Institute, Inc.

The International Concrete Repair Institute (ICRI), the only association in the industry devoted solely to repair and restoration, publishes a bimonthly magazine and technical guidelines for repair, and cosponsors the World of Concrete.Local chapters provide regional networking opportunities. Worldwide membership includes contractors, manufacturers, engineers, distributors ...

Crack width measurement - The Concrete Society

The widths of cracks on the surface of can be measured using a simple comparator consisting of a plastic strip with fixed width lines. Alternatively a hand-held …

How to Evaluate the Need for Repair in a Concrete Structure

The crack diameter or width is an excellent indicator of the severity of the crack. Professionals will use a crack comparator card to estimate the width, which lets them determine which repair option may be best for this crack size.

Optical Comparators - Precision Measuring Tools - Grainger ...

Optical Comparators. Use a high quality optical comparator from Grainger to inspect a broad range of manufactured parts for quality control purposes. Using optical measures, the comparator projects a magnified image of the part onto a glass screen so two-dimensional measurements can be taken and compared to prescribed specifications.

Concrete Q & A: Crack Width Determination

Can feeler-type gauges, such as gap tools or wire gauges, be used to measure crack widths in members in lieu of traditional crack comparator cards or optical devices listed in ACI 224.1R-07?1 In my experience, feeler gauges can be better tools in low light conditions and where there is a lot of dust/debris on the surface.

Cracking and Debonding of Thin Fiber Reinforced Concrete ...

Cracking and Debonding of Thin Fiber Reinforced Concrete Overlays. ... , where then always the widest crack s at later-ages ... A crack comparator card was used to visua lly interpret the ...

CRACK MONITORING; CRACK MEASURING; CRACK WIDTH …

Crack Monitoring Building Measuring Detection Civil engineering Structures. CRACK MEASURING See also DEMEC and. Cracks occur in most buildings and civil engineering structures. Monitoring the changes in crack width is an important diagnostic technique for determining the cause and specifying the remedial work. ... Crack record cards supplied ...

Avongard Crack Monitor | Crack Monitoring

The first step to crack monitoring is an obvious one: locating the cracks. But proper inspection is more than simply finding them. It’s also important to note any patterns that appear in the cracks, the construction materials used around them, and the age of the cracks if you can determine it.

Crack Width Gauge Card - CWG-30 - Brilliant Promotional ...

Clear card, with stock crack scales on top and on the bottom is designed to assist those who survey and report on damaged buildings. Monitoring the changes in crack width is an important diagnostic technique for determining the cause and specifying the remedial work.

Crack Measurment Gauges | Toledo

Handy tool designed to check the width of cracks in walls and foundations; Small pocket size allows for complete and easy portability; Built in 80mm rule

(Price/Pack) Aspire Concrete Crack Width Ruler, Range 0 ...

This simple crack width ruler has been designed to provide inspectors with a low cost alternative to a graduated microscope for determining the width of a crack in or other building materials. Similar in size to a standard credit card, this transparent ruler is marked with a range of graded lines, each with a specified width.

Reviews: 1

Palm Desert Concrete Repair

To assess the cracks themselves, we take a look at the width of the crack and use a crack comparator card to determine the seriousness of the issue. Our classification allows us to determine what types of repairs are necessary for the size of the crack.

Concrete Repair Phoenix | Phoenix AZ Concrete

One of the first things you'll need to take a look at is the width of the cracks. When done by a professional this is usually done using a crack comparator card to be able to classify just how serious the issue is and what type of repairs, if any, are possible.

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ITEM 905 - Mass.Gov

 · Web view

The Engineer shall determine width of cracks found using a crack width indicating comparator card made of clear plastic with lines of specified width on the cards. These cracks are assumed to be non-moving and to have been caused by inadequate control of …

Report No. UT-06.05 DEVELOPMENT OF AN INDEX FOR …

The purpose of this research was to develop a new index for bridge deck management in Utah. Visual inspection, sounding, Schmidt hammer, half-cell potential, and chloride concentration data were collected in the summer of 2005 from 15 bridge decks in the vicinity of Salt Lake City.