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Welcome to Proteus Equipment

Asphalt Equipment & manhole lifters

Proteus Equipment has been supplying equipment for the road surfacing industry since 1985, and is now the leading supplier of asphalt Hot Boxes, asphalt duvets, and environmentally-friendly fluids. 

We also sell concrete duvets for various insulation applications, and a wide range of manhole covers lifters designed to lift covers quickly and safely.

We offer the highest QUALITY equipment

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Our products

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2600

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active sites

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Why Choose Us

Man Hole Cover Lifters

Proteus has been the market leader in providing mechanical and hydraulic manhole cover lifters for the last 20 years, and we can use our experience in the field to provide solutions to all your manhole lifting problems.Lifting manhole covers isn’t as easy as you’d expect, due in part to the vast array of different keyholes available on different types of cover, and differing sizes of covers coupled with awkward locations.

Understanding Mortar: Masonry Materials

Bond strength is a measure of the tensile stress required to break the bond between mortar and masonry unit. Compressive strength: Compressive strength is not as important to the performance of the masonry assembly as workability and bond. Architects and engineers single out compressive strength as a selection criterion largely because it is ...

FLEXURAL STRENGTH OF UNREINFORCED CLAY BRICK MASONRY WALLS

and coefficients of variation, COV) for the brick units and masonry are listed in Table 1, where it can be seen that the quality of the masonry is typical for the mortar mix used. Table 1 – Material Properties Mean COV Brick unit: Flexural tensile strength, fut 3.55 MPa 0.27 Young’s modulus 52,700 MPa 0.35 Masonry:

Brick Construction Services | EK Masonry, Inc

Brick can have an ultimate compressive strength as low as 1,600 psi. On the other hand, some well-burned brick has compressive strength exceeding 15,000 psi. Because portland-cement-lime mortar is normally stronger than the brick, brick masonry laid with this mortar is stronger than an individual brick unit.

Masonry Mortar Types

It is medium strength (minimum 750 psi) and is meant for reinforced interior and above-grade exterior load-bearing walls. It is great for semi-soft stone or masonry since it will flex more than a high-strength mortar - this prevents cracking of the masonry units.

What Is the Difference Between Type S & Type N Mortar Mix

Mar 27, 2018 · Mortar, a thick mixture of water, sand and cement, is a common bonding agent for building materials, such as brick or stone. Different types of mortar mixes vary by strength, bonding properties and flexibility. Each mortar mix has specific proportions of portland cement, hydrated lime and sand that differentiates each type from the other.

Masonry & Mortar Cement

Lafarge Masonry Cement is specially formulated to ensure a uniform product and color to produce quality masonry mortar for use in brick, block, and stone masonry construction. Lafarge Canada Inc. manufactures Types N and S masonry and mortar cements. Lafarge masonry cement eliminates the need to field proportion materials.

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Compressive Strength of Brick Masonry

What is Compressive strength of brick masonry? A wall or column carrying a compressive load behaves like any other strut, and its load bearing capacity depends on the compressive strength of the materials, the cross-sectional area and the geometrical properties as expressed by the slenderness ratio .

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6 DEFECTS IN BRICKWORK DUE TO POOR WORKMANSHIP - CivilBlog.Org

Oct 07, 2016 · Incorrect proportioning and mixing of mortar. The effect of mortar strength on the strength of masonry may be judged from Fig-2 from which it may be seen with bricks having a crushing strength of 30 N/mm 2 that reducing the mortar strength from 11 N/mm 2 to 4.5 N/mm 2 may be expected to reduce the brickwork strength from 14 N/mm 2 to 11N/mm 2.

Study on the effect of Compressive Strength of Brick Masonry

The compressive strength of masonry prisms, made of one brick long, three bricks high, were studied for each mortar at the age of 28 day, 3 months and one year. The study showed that the behavior of cement brick is superior to the silt brick. Compressive strength of masonry prisms were affected by mortar strength, addition of CSF, the presence ...

Quick View on Brick Masonry » Civil Engineering Notes

Apr 10, 2019 · Brick masonry is made of bricks units, bonded together with mortar. Two essential components of brick masonry are – (i) Bricks & (ii) Mortar. Mortar binds the bricks & makes them act as a homogeneous mass. High strength mortar is unnecessary, but optimal mortar choice is important for any structure.

Mortar Brick Colors & Techniques | Glen-Gery

It meets both BIA-MI Type N, and ASTM-C270, Type S specifications and is the only mortar type recommended by the Brick Industry Association, as well as other brick masonry experts. Glen-Gery Color Mortar Blend is not only beautiful and cost-effective, but offers many other benefits: Strong compressive strength; Stronger bonding strength

Repointing Mortar Joints in Historic Masonry Buildings

A mortar that is stronger in compressive strength than the masonry units will not "give," thus causing stresses to be relieved through the masonry units—resulting in permanent damage to the masonry, such as cracking and spalling, that cannot be repaired easily.

How to Determine the Compressive Strength of Cement Mortar

Jun 08, 2012 · Mortar is generally used for brick masonry and plastering. In first case the mortar is subjected to very high compressive loads such as the load of the wall above it, therefore it is very much necessary to test the mortar for its compressive strength.

Masonry Standards

ASTM's masonry standards are instrumental in specifying, testing, and evaluating the basic units and materials used in masonry construction. Such materials include mortar, asbestos, tiles, bricks, cement, aggregates, clay, concrete, fiber, and possible mixtures thereof that are used in conjunction with the erection of building structures.

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Chapter 8

This reduces the bond strength between the mortar and the masonry unit to about half that of conventional mortar, which means that the flexural and shear strength of the wall is reduced and the wall is more permeable to water. For these reasons, masonry cements should not be specified for masonry work that require high streghth and low ...

Masonry Blocks and Mortar

The mortar that bonds concrete block, brick, or clay tile will be the weakest part of the masonry unless you mix and apply it properly. When masonry leaks, it is usually through the joints. Both the strength of masonry and its resistance to rain penetration depend largely on the strength of the bond between the masonry unit and the mortar.

Shear strength of Pond ash Mortar Brick Masonry – IJERT

Shear strength of Pond ash Mortar Brick Masonry - written by Ms. Meghashree M, Prof. G A Satish published on 2013/09/19 download full article with reference data and citations

Tech Brief Repointing Masonry Walls

masonry; it should be weathertight; and, for architectural purposes, it should match the color and texture of the original mortar. Repointing Masonry Walls - page 2 Union tuckpointers are trained to use care when using mechanical tools such as this grinder to remove deteriorated mortar, as not to damage the adjacent masonry units.

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MORTAR PROPERTIES COMPARISONS FOR MASONRY CEMENT, PORTLAND

MORTAR PROPERTIES COMPARISONS FOR MASONRY CEMENT, PORTLAND CEMENT / LIME, AND HILL COUNTRY MORTAR MIX This digest was prepared to inform interested parties of recently completed test of brick panels constructed with masonry cement mortar, and portland cement / lime mortars. Dr. Matthys has conducted extensive mortar research to compare masonry ...

Compressive strength and elasticity of pure lime mortar masonry

2015/02/06 · The procedure and findings of an experimental campaign for the mechanical characterization of brick masonry with lime mortar joints are presented. The campaign includes the determination of the properties of the constituent materials and of the resulting masonry composite. The masonry consisted of masonry stack bond prisms made of solid clay bricks and two types of pure lime/sand mortar…

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Mortar (masonry)

Mortar is a workable paste which dries to bind building blocks such as stones, bricks, and concrete masonry units, to fill and seal the irregular gaps between them, and sometimes to add decorative colors or patterns to masonry walls. In its broadest sense, mortar includes pitch, asphalt, and soft mud or clay, as used between mud bricks.

Masonry: What is Brick and Mortar Percentage?

Sep 13, 2017 · The amount of mortar applied in brick masonry is generally not measured in percentage. Although people may use some rule of thumbs for rough estimation purposes. The strength of Brick masonry depends on: 1.

Types Of Mortar & Masonry Walls

Apr 07, 2017 · Appropriate mortar strength is dependent on each individual project. When mortar is stronger than the masonry unit, it overstresses the brick or other masonry materials, eventually leading to damages. That’s sort of like a babysitter that harms babies. Mortar is trusted to protect masonry materials; it’s not supposed to harm them.

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INNOVATIVE PRODUCTS FOR DEMANDING ENVIRONMENTS