Types of Concrete Joints and Placing Tips

Feb 20, 2021·When using joint groove for contraction joints, the joint should be a minimum depth of ¼ thickness of the slab. Saw-cut joints should be done within 4 to 12 hours after the concrete has been finished. Keyed joints are not recommended for industrial floors. Dry-cut joints …

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CRSI: Reinforced Concrete Terminology

JOINTED REINFORCED CONCRETE PAVEMENT—A reinforced pavement with transverse joints typically spaced at 30 feet or more. JOIST—T-shaped beam used in a parallel series in reinforced concrete joist floor construction. JOIST CHAIRS—Bar supports which hold and space the two reinforcing bars in the bottom of a joist.

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What is a Groove Joint? (with pictures) - InfoBloom

A groove joint is a type of joint most commonly seen in woodworking, although it can be used to join other materials as well. Groove joints are designed to be used in a tongue and groove system, with the grooves complementing the tongues to create a snug joint where two pieces snap together. Historically, tongue and groove joints were used for ...

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8 in. and 10 in. Groove Joint Plier Set - CRAFTSMAN

This 8 in. and 10 in. Groove Joint Pliers Set is made from drop-forged steel for strength and durability. The multi-zone, bi-material grips allow for dedicated comfort and secure grip zones. The precision machined jaws are ideal for twisting, gripping, holding, and cutting a …

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Craftsman Tools: Maker "V" And The Modern Era

Apr 30, 2021·Craftsman 6 Inch "Arc-Joint" Tongue-and-Groove Angle-Nose Pliers. The next several figures show examples of Craftsman "Arc-Joint" tongue-and-groove pliers. The tongue-and-groove design dates back to the classic 1934 patent #1,950,362 by the Champion De Arment (now Channellock) company. This patent expired in the early 1950s, paving the way for ...

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Adjustable & Needle Nose Plier Sets | CRAFTSMAN

CRAFTSMAN® offers durable gripping tools for a variety of tasks including; groove joint, lineman's, easy-release locking, long-nose locking, long-nose, needle-nose, slip-joint, diagonal, mini-diagonal, cutting pliers, wire strippers, mini-pliers, and pliers sets.

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Types of Concrete Joints and Placing Tips

Feb 20, 2021·When using joint groove for contraction joints, the joint should be a minimum depth of ¼ thickness of the slab. Saw-cut joints should be done within 4 to 12 hours after the concrete has been finished. Keyed joints are not recommended for industrial floors. Dry-cut joints should be made between 1 to 4 hours after completion of finishing.

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Choosing the Right Tool for ... - Concrete Construction

Feb 06, 2017·These tools offer rotary hammer and hammer-only modes and commonly use SDS-max and spline bits. If the job doesn’t require drilling in concrete, demolition hammers are the right tool for the job. A demolition hammer can’t drill because there is no rotation of the bit, which allows the tool to focus on breaking, chipping, and chiseling concrete.

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Tongue-and-groove pliers - Wikipedia

groove-joint pliers, arc-joint pliers, Multi-Grips, tap or pipe spanners, gland pliers, Channellocks (i.e., Channellock brand pliers). Design. They have serrated jaws generally set 45 to 60 degrees from the handles. The lower jaw can be moved to a number of positions by sliding along a …

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Craftsman Tools: Maker "V" And The Modern Era

Apr 30, 2021·Craftsman 6 Inch "Arc-Joint" Tongue-and-Groove Angle-Nose Pliers. The next several figures show examples of Craftsman "Arc-Joint" tongue-and-groove pliers. The tongue-and-groove design dates back to the classic 1934 patent #1,950,362 by the Champion De Arment (now Channellock) company. This patent expired in the early 1950s, paving the way for ...

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STANDARD PRACTICE FOR THE DESIGN AND CON ... - …

1. If limited joint leakage is acceptable, a leak-resistant joint should be selected. A leak-resistant joint limits water leakage at a maximum rate of 200 gallons/inch-diameter/mile/day for the project specified head or pressure. 2. Leak-resistant concrete pipe joints that utilize an external joint wrap as the sole

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Control Joints in Concrete - When To Cut & Spacing - The ...

May 08, 2020·Cut joints deep enough. Cut joints 25% of the depth of the slab. A 4" thick slab should have joints 1" deep. How to cut joints. Groover tools cut joints in fresh concrete. Saw cutting cuts joints as soon as the concrete is hard enough that the edges abutting the cut don't chip from the saw blade. Place joints under walls or under carpet areas.

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American Society of Concrete Contractors | ASCC - America ...

The ASCC is a premier concrete contractors association dedicated to enhancing the capabilities of those who build with concrete. We offer concrete contractors training, education, pulications, hotlines, events, networking opportunities and much more. Learn more about the benefits of becoming an ASCC member.

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Joints – Pavement Interactive

Contraction Joints. A contraction joint is a sawed, formed, or tooled groove in a concrete slab that creates a weakened vertical plane. It regulates the location of the cracking caused by dimensional changes in the slab. Unregulated cracks can grow and result in an unacceptably rough surface as well as water infiltration into the base, subbase ...

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American Society of Concrete Contractors | ASCC - America ...

The ASCC is a premier concrete contractors association dedicated to enhancing the capabilities of those who build with concrete. We offer concrete contractors training, education, pulications, hotlines, events, networking opportunities and much more. Learn more about the benefits of becoming an ASCC member.

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Concrete Expansion Joints (Filler Material) - Easy To ...

Minimize Concrete Cracking And Damage With Expansion Joints from W. R. Meadows. Serving The Needs Of The Concrete Construction Industry, Since 1926. Learn why Meadows Expansion Joint solutions (filler material) are trusted by architects and contractors worldwide!

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CRSI: Reinforced Concrete Terminology

JOINTED REINFORCED CONCRETE PAVEMENT—A reinforced pavement with transverse joints typically spaced at 30 feet or more. JOIST—T-shaped beam used in a parallel series in reinforced concrete joist floor construction. JOIST CHAIRS—Bar supports which hold and space the two reinforcing bars in the bottom of a joist.

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CRSI: Reinforced Concrete Terminology

JOINTED REINFORCED CONCRETE PAVEMENT—A reinforced pavement with transverse joints typically spaced at 30 feet or more. JOIST—T-shaped beam used in a parallel series in reinforced concrete joist floor construction. JOIST CHAIRS—Bar supports which hold and space the two reinforcing bars in the bottom of a joist.

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How to Make Concrete Control Joints | DoItYourself

Jul 23, 2010·Step 1 - Pouring. Concrete control joints, also known as expansion joints, are something best added when you’re pouring the concrete or before it cures. With a large area of concrete there will be a number of “pours” and so you can put in concrete control joints between each pour to allow for expansion. Typically these expansion joints ...

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Concrete Expansion Joints (Filler Material) - Easy To ...

Minimize Concrete Cracking And Damage With Expansion Joints from W. R. Meadows. Serving The Needs Of The Concrete Construction Industry, Since 1926. Learn why Meadows Expansion Joint solutions (filler material) are trusted by architects and contractors worldwide!

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STANDARD PRACTICE FOR THE DESIGN AND CON ... - …

1. If limited joint leakage is acceptable, a leak-resistant joint should be selected. A leak-resistant joint limits water leakage at a maximum rate of 200 gallons/inch-diameter/mile/day for the project specified head or pressure. 2. Leak-resistant concrete pipe joints that utilize an external joint wrap as the sole

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CRSI: Reinforced Concrete Terminology

JOINTED REINFORCED CONCRETE PAVEMENT—A reinforced pavement with transverse joints typically spaced at 30 feet or more. JOIST—T-shaped beam used in a parallel series in reinforced concrete joist floor construction. JOIST CHAIRS—Bar supports which hold and space the two reinforcing bars in the bottom of a joist.

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When, Where, and How to Make Saw Cuts in Concrete

Feb 06, 2021·When to Saw-Cut Concrete . In addition to the concrete mix and the weather conditions, determining when to saw concrete is based on the concrete's hardness as well as the type of cutting equipment used to make the saw cuts. Cutting too early causes raveling, an effect created by the saw blade pulling the aggregate out of position, leaving a messy, weakened edge along the cut.

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18 Tools Every Concrete Contractor Must Have

Nov 20, 2019·Groove cutters, also called groovers, are used to create control joints on sidewalks, walkways, driveways, and residential slabs, where a concrete saw typically is not used. Many groovers have a horizontal plate with a vertical fin for cutting the groove.

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2016 National Construction Estimator - Craftsman Book

Unloading and storing construction materials, tools and equipment on site. Moving tools and equipment from a storage area or truck on site at the beginning of the day. Returning tools and equipment to a storage area or truck on site at the end of the day. Normal time lost for work breaks. Planning and discussing the work to be performed.

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American Society of Concrete Contractors | ASCC - America ...

The ASCC is a premier concrete contractors association dedicated to enhancing the capabilities of those who build with concrete. We offer concrete contractors training, education, pulications, hotlines, events, networking opportunities and much more. Learn more about the benefits of becoming an ASCC member.

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