Brick Masonry Fall 09
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This document provides an overview of masonry, including definitions of different types of masonry such as brick masonry and concrete masonry. It discusses the history of masonry construction from early native techniques to developments by the Romans. The document also covers mortar ingredients and functions, different types of mortar, basic brickwork terminology, and considerations for choosing bricks.
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Brick Masonry Fall 09
- 2. Definitions & History Mortar Brick Masonry Concrete Masonry Stone Masonry Brick Masonary That’s Masonry not Mason a ry….dummy! University of Virginia Library Thomas Jefferson – Architect Third President of the United States.
- 12. Basic Brickwork Terminology Bed Joint Head Joint Course - horizontal layer of brick
- 13. Basic Brickwork Terminology Header - Bonds two wythes together Wythe: vertical layer 1 unit thick Soldier - Laid on its end, face parallel Rowlock - laid on face, end visible Stretcher - long dimension horizontal & face parallel to the wall
- 27. Wood Mold Extruded – Wire Cut Extruded – Smooth Extruded – Raked
- 28. Joint Color that “Blends” w/ Brick Color
- 29. Concave Joints
- 31. Flush Joints
- 32. Racked Joints
- 37. Tooling Joints
- 39. Cleaning Masonry
- 40. Steel Lintel
Notas del editor
- Provides for “full” bearing MASONRY UNITS IRREGULAR “ CUSHIONS” FULL BEARING Seals between masonry units WATER WIND Adheres / bonds masonry units STRUCTURAL BOND Aesthetics USUALLY 20% OF SURFACE IMPORTANT CONSIDERATION GENERALY “ MOCKUP” ARCHITECT / OWNER APP’L PRIOR TO THE START OF MASONRY
- Portland Cement SAME AS THE INGREDIANT IN CONCRETE BONDING AGENT Hydrated Lime ENHANCES WORKABLITY Sand CLEAN GRADED Water CLEAN (POTABLE) Admixtures (optional) WORKABILITY COMMON IN PRE-PACKAGED
- REFER TO PAGE 269 Course HORIZONTAL LAYER OF MASONRY UNITS Head & Bed Joints Wythe VERTICAL LAYER OF UNITS - ONE UNIT THICK Stretcher FACE PARALLEL TO WALL LONG DIMENSION HORIZONTAL Header LAID TO BOND TWO WYTHES TOGETHER Soldier LAID ON ITS END FACE PARALLEL TO WALL USES- VISUAL EFFECT Rowlock LAID ON ITS FACE END VISIBLE USES - CAPS, SILLS SLIDE 4280-3
- Molding process EXTRUSION PRESSED MOLDED (HAND OR MACHINE) Color BASED ON CLAY COMPOSITION ADDITIVES / CHEMICALS FIRING PROCESS Size APPEARANCE, COST TO INSTALL Grade RESISTANCE TO WEATHERING THREE GRADES Type BASED ON THE DEGREE OF UNIFORMITY OF SHAPE DIMENSION TEXTURE COLOR HIGH UNIFORMITY TO NON-UNIFORM
- No “standard” size SOME “COMMON” BRICK SIZES “Normal” coursing - 3 bricks = 8” MATCH CMU COURSING Larger sizes MORE ECONOMICAL TO LAY HIGHER STRENGTH BUT - CHANGE WALL APPEARANCE Custom Shapes & Colors AVAILABLE - BUT LEAD TIME COST
- Structural Bonds USE “HEADER” TO TIE WALL TOGETHER Cavity (Veneer) Walls BRICK DOES NOT PROVIDE STUCTURAL SUPPORT BRICK IS FOR Appearance & EXTERIOR Barrier DON’T NEED HEADERS - INFACT WOULD BE IN THE WAY OF CAVITY HEREFORE Commonly USE - Running bond Stacked bond
- Layout & Leads ESTABLISH “LINE” & “ELEVATION” LEADS - ESTABLISH WALL PLANE & COURSE HEIGHT OFTEN - CORNERS Line LITERALLY - STRETCH A LINE & LAY BRICK / BLOCK TO IT Staging HEAVY MATERIAL Difficult to USE LADDERS - NEED STAGING ESTABLISHING A WORK PLATFORM” SCAFOLD BUILT IN PLACE, ADJUSTABLE SCAFOLD, AUTOMATED SCAFOLDING Cutting Masonry HAMMER, DIAMOND BLADE (H2O COOLED) EXPENSIVE, - DESIGN ATTEMPTS TO Minimize Cleaning Masonry BRUSHED & ACID CLEANED (PROTECTION OF OTHER SURFACES)
- PURPOSE - PROVIDE SUPPORT AT OPENINGS Lintels Reinforced Concrete OFTEN PRECAST & SET IN PLACE Reinforced Brick RARELY USED Steel Angles ECONOMICAL ALMOST INVISIBLE MOST COMMON - SINGLE W/VENEER Arches BUILD OUT OF MASONRY NEEDS TEMPORARY SUPPORT MORE LABOR INTENSIVE (MORE $) ALSO - WINDOW/DOOR MORE EXPENSIVE ASTHETICS