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Please read the papers(pdf format)I post above, it references ACI318-2000. Why?

I post the paper here. See page 273 equation(12)http://files.engineering.com/getfile.aspx?folder=6dd5b860-075f-4bfb-a2f7-924f25f36875&file=Effects_of_creep_and_shrinkage_on_the_deflection_of_RCC_two_way_flat_plates.pdf

Thanks,asixth Please include the factors "LF_short","lamba" and "LF_long".

asixth: Could you provide any references for the caculations: 1. Short-term displacements... delta_short=G+0.7*Q 2. Long-term displacments... delta_long=(1+kcs)*G+(1+kcs)*0.4*Q Especially, for "delta_long=(1+kcs)*G+(1+kcs)*0.4*Q"? Thanks a lot.

I have come across a papers (“Effects of creep and shrinkage on the deflection of RCC two way flat plates”) which states that, in ACI 318-2000, the total deflection of two-way slab for the creep and shrinkage effect is calculated as three times the deflection due to dead and deflection due to...

How to calculate RX and RY Modal Participation Factors. See the attached picture.

structuresguy Please see the attached file. File's link is: http://files.engineering.com/getfile.aspx?folder=8ad87dfa-f5df-424a-819c-c555345ad514&file=Probleme_1_p.90.pdf Shoulder edges(as you usually do)would lead to crack. Please comment on this.

When the forms set tight to 3 sides,and a small gap on the fourth to pour in the grout, how to ensure that the air underneath the base plate can effectively get pushed out when grout gets in from the fourth side? I have read some grout installation instructions,which indicates that no air should...

structuresguy, Thanks for your replies. As you say,you have very rarely seen actually chamfered grout pads,and you pointed out in the next reply, "If it were not chamfered away from the plate, then the edges of the grout could easily crack due to be unconfined." The question: Have you seen...

The column base plate grout usually needs to be chamfered 45-degree around the edges. When does the guy on site do the chamfering? (The forms for the grouting have chamfer strips? or the edges of the grout chamfered after the forms removed?) What kind of tool does the guy on site use in...

Girt Bracing Question 08/01/2007 I am designing a building with vertical siding, channel girts, and sag rods. I was told that the industry standard is to consider the channel braced at the sag rods. How is this possible, since the sag rods are neither at the compression flange nor able to...

pages number of "SDI DDM02 Example 7g"

I would like to order a copy of "SDI DDM02 Example 7g" from Linda Hall Library, who can let me know the pages of this example. Thanks.

CSA S16-2001 19.1.5 For starred angle compression members interconnected at least at the one-third points, Clause 19.1.4 need not apply. What does the one-third points refer to here? Thanks in advance.

Load and Resistance Factor Design Specification for Steel Hollow Structural Sections November 10, 2000 4.1.1(c)In frames for which lateral stability is provided by diagonal bracing, shear walls or equivalent means, K shall be taken as unity, unless a lesser value can be justified by rational...

CSA-S16(Canadian)applies notional load for in-plane strength analysis. A structure: moment resisting frames in both X & Y directions as lateral system. When notional load in X direction applied in analysis to check in-plane strength,K factor is taken as 1. Can the moment resisting frame in X...

I have an Etabs model(Canadian Code) with shear wall as lateral and steel framing(Pin-Pin connection) as gravity. After I design/check the steel members, I am able to go into the steel interactive design window. However,some of the beams are not active(wouldn't allow you to select them to get...

I have seen an ongoing project in Toronto using precast wall panels as cladding connected to steel frame. The connection uses a kind of spacers which are new to me.It seems like transparent plastic material. Would anybody familiar with this give any clues about what material it is? And how do...

First of all, thanks, jdonville. I made a search in Linda Hall Library database, but did not find the desired articles. See if you could find it and let me know.

Hi, could anybody give me any tips on how I can buy the following two articles? Broms, BB 1964 "Lateral Resistance of Piles in Cohesive Soils", ASCE Journal of Soil Mechanics and Foundation. Division, Vol. 90, No. SM2 Broms, BB 1964, "Lateral resistance of piles in cohesionless soils", ASCE...