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Yes. A special washer is used to fill the gap . In Germany you can find this type of washer (Verfuellscheiben) https://www.mkt.de/fileadmin/mkt/pdf/deutsch/Lieferprogramm/einzelne%20Seiten/LP2022-23/Verfuellscheibe_VS.pdf Pls look to your local market for HILTI dynamic set. This subject...

Just write ( PARKING SUNSHADE ) and search the web, ( or ask to famous GOOGLE ) One of the outcomes , ARAMCO doc. Parking shade https://1filedownload.com/library-drawings-da-950182-001-api-asme-resources/ https://pdfcoffee.com/aramco-2-pdf-free.html You can adopt to your requirements . ...

Regarding inconsistency , according to your interpretation, do you think that for the foundations without piles , the wt of foundation and soil on the footing SHALL resist to the uplift ? Do you think that the tank foundation can experience uplift and there would not be contribution of liquid...

Good question.. Bu when the tank starts uplifting , at least the wt of the product on the effective width of the annular plate will contribute to resist to uplifting .. Pls look commentary of E6.2.3 EC.6.2.3 Foundation ....A requirement for a mechanically-anchored tank stability check...

You did not provide a lot of info. here. What is the size , test pressure of the pipe ? Can the use of flange adapters be considered ? .. He is like a man building a house, who dug deep and laid the foundation on the rock. And when the flood arose, the stream beat vehemently against that...

- J limit was 1.57 at API 650 old editions while J was 1.54 at AWWA . 1.54 or 1.57 only figures defined by API 650Committee. - If you get J > 1.54, the tank is not stable but you can modify the bottom annular plate width and thickness in acceptable limits or provide mech. anchors . .. He is...

Bundled bars preferred in cases large dia. ( greater than 32 mm) is required , since construction and detailing of large diameter bars are more complex cannot be lap spliced. The common practice , the nominal dia . of bundled bars should be less than 65 mm. In your case , the use of 10 mm...

It will displace the water but ,in order to gain proper strength , the concrete shall be placed with tremie method. In case of incorrect concrete placement , (direct discharge and free fall into the hole bore with no tremie pipe), the concrete would be in poor quality and non-homogenous . ...

I hope my respond does not disappoint you but you are missing something, The summary for derivation of the expression for J ( Anchorage Ratio, or say overturning coeff) ; - b = axial force developing at the tank shell per unit length of circumference b = WT + M/(Pi*R**2) API 650 uses the...

Hi Mega structures , Your approach is reasonable. But in order to perform uncracked section analysis, make sure the tension stress developing at extreme fiber of conc. is less than axial tensile strength of concrete Eurocode allows the use of mean axial tensile strength of concrete (fctm ...

ACI 318 does not suggest max. reinforcement ratio in a collector longitudinal reinforcement . But constructability may be issue. If congestion impede placement of concrete and ultimate performance, increasing the dia of reinf . and the slab depth are the applicable options. Pls look...

EURCODE allows the use of semi-rigid base connections . Although it takes more time , sometimes provide some economy. The following doc. prepared as per EC-3 rules gives an idea for modelling of semi rigid connections and base connections. ... He is like a man building a house, who dug deep and...

It is not reasonable to get 4 times tension. Check your model. The piles must have lateral soil resistance to resist the applied shear . Pls post your model and soil parameters (lateral springs etc) to get better responds. ... He is like a man building a house, who dug deep and laid the...

I do not know if other alternatives are applicable or not ( such as increase the base ftg length to 4.0 m, extent the ftg to the back side to get wt of soil for resisting OT and sliding ..) If this is the only option, i will suggest you to use bored piles with dia 400-500 mm and two rows at...

You cannot ignore the eccentricity . The 40mm thick MS base plate stiffness is more than enough to assume elastic distribution of the forces and developing moment. The following doc . will be useful to look . .. He is like a man building a house, who dug deep and laid the foundation on the...

I agree with JStephen Design Internal Pressure, pressure above atmospheric 103.4 kPa[g] is clear that the 103.4 kPa[g] is gage pressure . The internal absolute pressure would be 103.4 kPa + 101.3 kPa =204.7 kPa , Design External absolute pressure would be 101.3 kPa -0.7584 kPa =100.54 kPa...

Dear shvet (Petroleum)(OP), I looked your profile and internet country code seems (RU). If this so, i am sure you have experience for winterizing . I have several years work experience in(RU) and i would say , one can not circumvent the cold temperature requirements . IMO, in this case the...

I do not know how many pontoons are full of water , how many is leaking . If you do know , you may calculate and see if the roof legs can withstand this extra water load. What is your plan to drain the water without compromising the safety whan the tank is operating ? I just want to remind...

I think this is perimeter grade beam and transversal direction is not clear . If you have similar beams in transversal direction and the base plates sit on the connections , that will be grid foundation and the connection could be designed as fixed support. If the steel columns are nominally...

The best time for placing the concrete after mixing is 30 minutes and acc. to cement type , weather conditions the setting time may extent to 1.5 hours. After almost 3.5-4 hrs , the setting time already completed ,adding water and mixing will kill the concrete . The strength will...