I have searched thread titles and do not seem to find an answer to what I think is a simple question. I have specified a 1.5" composite metal deck for a floor assembly and the deck supplier came back with questions such as support pattern for 5/8" welds, spacing at perimeter supports and...
Hi all,
I am tasked with shoring an existing clay brick wall. The situation I have is the brick wall is not parallel to the column grid line. This forces me to "shim" the horizontal W8 near the top back to the columns. What I have presently shown is L6x6 at the tips of the inner column...
I hope I worded the subject to adequately convey my question. I was contacted by a board of directors (AHJ) who are concerned about recent flooding events to some of the cabins located in a fairground area (see attached). Some of the cabin owners occasionally demolish/re-build (as per their...
While doing a remodel of a church (1940's construction) with fire damage we removed the plaster ceiling, which the lath was applied directly to the bottom chords of the joist, and we noticed an interesting type of form used for the concrete floor above.
It appears to be a type of hog wire mesh...
I was asked to perform a site visit as a contractor was renovating a hotel. The bathrooms were to receive new shower pans and upon removing flooring, etc., it was observed that some of the floor truss top chord have been compromised (in particular, one has been totally removed). I was asked if...
I have not seen this posted.
https://www.msn.com/en-us/news/world/drivers-rescued-after-norway-bridge-collapse/vi-AA10GVzU?ocid=entnewsntp&pc=U531&cvid=21c615cd186b4a9ca98f678474e34cd7
I have a 31,000 sf concrete slab placed mid September to mid October in 2021. I an unaware when the roof structure was installed and it was finally covered.
It is 8" thick slab underlain with 15 mil poly vapor barrier and 4" gravel.
It will receive a bead blast and an epoxy coating in an...
I have a fully grouted 8" CMU wall (total height=36', 2 floors at 16' plus 4' parapet) which bypasses a concrete on metal deck floor/roof. The floor/roof slabs are tied to the walls with a bent plate connected to a WF beam and cast in place anchor in the masonry at each floor. At the second...
While visiting a commercial structure I was asked to look at a crack in a CMU wall. The wall is located in an interior wall in the elevator penthouse above the roof. The wall is approximately 20 feet long and was constructed after the original building, mid 1960 to early 1970s. The crack is...
I had designed KCS bar joist for future HVAC units. However, the HVAC units are now heavier and larger (changed Mechanical PE during a re-design). As such some of the KCS joists, installed, are overstressed in shear. Any suggestions about how to increase the shear strength? Thanks.
I performed a site visit to investigate a small crack below a window.
This particular house was completed last December (relatively recent construction).
There are a number of houses constructed with the same floor plan in a new subdivision, none of which are presently occupied, so if I want to...
To help facilitate the movement of materials from a buck hoist to elevated decks of a multi-story hotel I came up with the idea of an outrigger platform (for lack of a better term). I believe something similar is widely used in the construction industry. What would be a conservative method to...
There are probably posts in the forum that answer this ?, but my search has been for naught.
The attached sketch shows a typical relief angle for brick veneer. The question is how is the
tension calculated for the screw bolt? Is is simply done by resolving moments about the tip
of the 5x5...
I have a lightweight topping slab set to be placed above an already cured and stressed post tensioned slab.
This topping slab is to facilitate drainage above a party deck and will receive pavers, etc. for a finished floor.
The structural slab supporting this topping slab is a 13" two-way PT slab...
I am proposing to support a rather large (Pu=6k) load on an elevated composite deck system.
The load will be applied through a 4"x4" sq. plate.
There will be post shoring installed beneath the applied loads
The allowable phi*Rb for this deck (4" bearing) is 1220 lb/ft.
My question is, should web...
From time to time I am faced with the task of designing foundations for PEMB. Most of the time there are few wind/snow/E primary loads and combining these into Load Combinations is time consuming, but I manage to get through it. However now I am faced with a project that has over 10! primary...
All,
I have searched numerous threads in eng-tips and other discussion boards, and a lot of information is out there...but nothing specifically relating to the questions I have.
Say a contractor notifies owner/EOR of something structural that was left out/overlooked (exclusively contractor...
Folks,
I am providing shop drawings for a lightweight fabric structural system.
What I have existing is 4 HSS columns in a 30'x30' grid pattern.
Connecting these columns are 4 HSS10x6 beams. My structure (thinking trusses, etc.)
rests on top of the beams (or it appears to based on the...
Foundation contractor has previously cast what is known as augered pressure grouted (APG)piles.
Construction activities for the erection of precast items require that a sloping excavation occur in the vicinity of and exposing the upper 4'of a row of piles. Being the GC, we are concerned that...
I need to hang a structure (lightweight) under existing roof framing trusses. I have envisioned a hanger assembly which will clamp to the bottom flange. I have questions regarding how to analyze such an assembly.
1. Would there by any prying action to speak of?
2. Other than flange local...
