Search results
Results from the WOW.Com Content Network
Greek: the ridge height is 1 ⁄ 9 to 1 ⁄ 7 the span (an angle of 12.5° to 16°); Roman: the ridge height is 2 ⁄ 9 to 1 ⁄ 3 the span (an angle of 24° to 34°); Common: the rafter length is 3 ⁄ 4 the span (about 48°); Gothic: the rafters equal the span (60°); and; Elizabethan: the rafters are longer than the span (more than 60°). [7]
For longer span rafters, building materials manufacturers have created laminated veneer lumber (LVL) rafters that can be 2–5 times longer than typical wood rafter. In the US, most wood rafters have maximum length of 20 feet (6.1 m). [5] If a longer rafter is needed, LVL is an alternative.
Key: 1: principal rafters, 2: collar beam, 3: arch braces. Lacking a tie beam, [ 11 ] the arch-braced (arched brace) [ 12 ] truss gives a more open look to the interior of the roof. The principal rafters are linked by a collar beam supported by a pair of arch braces, which stiffen the structure and help to transmit the weight of the roof down ...
Place this on the article's talk page whenever a chart is needed. The template takes a single optional parameter—a description of what the image should illustrate. Adds page to Category:Wikipedia requested charts. If you are requesting a technical illustration (e.g. a graph), please provide as much reference data as possible.
The example also shows how the chart's overall style can be overridden by more specific styles set by {}. In this case, the color of the first row of cells is set to yellow using the features of the {} template; see that template's documentation for details on how to specify the CSS of rows and individual cells of a chart.
Paste the table into a spreadsheet program such as freeware LibreOffice Calc (see free guide), or another spreadsheet program. See List of spreadsheet software . In Calc click on any cell in the column you want sorted, and then click on one of the sort options in the data menu at the top of the Calc window.
A birds-mouth joint in a rafter, set upon a double top plate. Shown are the two cuts of the joint: the seat cut and the heel cut. In light frame construction, a birdsmouth joint or bird's beak cut is a woodworking joint that is generally used to connect a roof rafter to the top plate of a supporting wall. [1]
This template produces one row in a "family tree"-like chart consisting of boxes and connecting lines based loosely on an ASCII art-like syntax. It is meant to be used in conjunction with {{Tree chart/start}} and {{Tree chart/end}}. The chart is displayed as HTML tables using CSS attributes, and may contain arbitrary wiki markup within