e-mosty September 2017: Mersey Gateway Bridge. Arenales Bridge. Mersey Gateway Bridge. Arenales Bridge. BLWT. - Page 29

3.2 Towers The identical 9.5m towers are composed of two vertical 219mm diameter steel pipes spaced 3.5m apart with a lattice of double angle cross-bracing. The towers are designed to be hinged at the bottom connection to the concrete pedestals by means of a β€œT section” welded from steel pipe (see Figure 5). The main cables are supported at the top of the tower over curved steel saddle plates and clamped to prevent slipping. The tower design was governed in part due to limitations of construction. With no heavy machinery available, the pipes must be transported and assembled by hand. Taller towers are more slender and requi Ι”„±…ɝ•Θ…Ή‘•…Ω₯•Θ)Ν•Ρ₯½Έ½˜Α₯Α”ΈΠ€ΨЁ­œ½΄°Ρ‘”€ΘΔε΅΄Α₯Α”έ₯Ρ „(ΔΘΈέ΅΄έ…±°Ρ‘₯­Ή•Ν́݅́ё”΅½ΝЁΑΙ…Ρ₯…°Ν•Ρ₯½Έ)…Ω…₯±…‰±”ΈQ‘”΅…α₯΅Υ΄‘•₯‘ЁΑ½ΝΝ₯‰±”ΡΌ΅…₯ΉΡ…₯Έ)ΝΥ™™₯₯•ΉΠ…Α…₯Ρδέ…Μ€δΈΥ΄ΈQ‘”‘•Ν₯Έ…±±½έ…‰±”)‰•…Ι₯ΉœΑΙ•ΝΝΥΙ”₯Μ€ΔΠЁ­A„ΈQ‘”Ρ½Ρ…°έ•₯‘Ё½˜Ρ‘”)ѽݕȁ…ΝΝ•΅‰±δ₯Μ€ΔάΰΑ­œΈ)Q‘”έ₯‘Ρ ½˜Ρ‘”Ρ½έ•Θ₯́•ΝΡ…‰±₯Ν‘•™Ι½΄ΡέΌΑΙ₯΅…Ιδ)Ι₯Ρ•Ι₯„ΈΙ½΄„ΝΡΙՍΡΥΙ…°ΝΡ…Ή‘Α½₯ΉΠ°Ρ‘”έ₯‘Ρ ₯Μ)‘•Ρ•Ι΅₯Ή•ΝՍ Ρ‘…ЁΉΌΥΑ±₯™Π½ΥΊ₯Έ„Ρ½έ•Θ±•œέ₯Ρ )Ρ‘”‘•Ν₯Έ±…Ρ•Ι…°έ₯Ή±½……ΑΑ±₯•ΈΙ½΄„Ν•ΙΩ₯•…‰₯±₯Ρδ)ΝΡ…Ή‘Α½₯ΉΠ°Ρ‘”έ₯‘Ρ ₯́™½ΥΉ™Ι½΄Ρ‘”ΡΙ…ΉΝΩ•ΙΝ•±δ)₯Ή±₯Ή•Α±…Ή”½˜Ρ‘”΅…₯Έ…‰±•ΜΈ]₯Ρ Ρ‘”έ…±­έ…δ)έ₯‘Ρ Ν•Π…Π€Ε΄…ΉΡ‘”΅₯Ή₯΅Υ΄‘₯ΝΡ…Ή”‰•Ρέ••ΈΡ‘”)΅…₯ΈΝΑ…Έ…‰±•Μ…Ё΅₯‘ΝΑ…ΈΝ•ΠΡΌ€ΔΈΡ΄ΡΌ…±±½ά™½Θ)Α…ΝΝ…”½˜„±…‘•Έ‰ΥΙΙΌ°Ρ‘”ΝΥΝΑ•Ή‘•Ί½ΉΉ•Ρ₯ΉœΡ‘”)…‰±•ΜΡΌΡ‘”έ…±­έ…䁉•½΅”₯Ή±₯Ή•ΈQ‘₯́…Ή±”½˜)₯Ή±₯Ή…Ρ₯½Έ₯́ɕ±…Ρ₯Ω•±δ½ΉΝΡ…ΉΠ…Ι½Ν́ё”•ΉΡ₯Ι”‰Ι₯‘”)…ΉΝ•Ρ́ё”έ₯‘Ρ …Ёݑ₯ Ρ‘”…‰±•Μ΅ΥΝЁ‰”)ΝΥΑΑ½ΙΡ•…Ёё”Ρ½έ•ΙΜΈ)₯ΥΙ”€ΤθQ½έ•Θ±•Ω…Ρ₯½Έ(̸́5…₯Έ …‰±•Μ)Q‘”΅…₯Έ…‰±”ΝΥΑΑ½ΙЁΝεΝΡ•΄₯́½΅ΑΙ₯Ν•½˜Ρ‘Ι•”(ΜΙ΅΄‘₯…΅•Ρ•Θέ₯Ι”Ι½Α•Μ‰ΥΉ‘±•Ρ½•Ρ‘•Θ½Έ•… )Ν₯‘”ΈQ‘”Ω•ΙΡ₯…°ΑΙ½™₯±”½˜Ρ‘”…‰±”₯͕́ЁΝՍ Ρ‘…Π)ΥΉ‘•Θ™Υ±±δ΅±½…‘•½Ή‘₯Ρ₯½ΉΜ°Ρ‘”έ…±­έ…δΑΙ½™₯±”)΅…₯ΉΡ…₯ΉΜ„Α½Ν₯Ρ₯Ω”…΅‰•ΘΈ½ΘΡ‘₯́‰Ι₯‘”°Ρ‘”…‰±”)Ν…œ…Ё΅…α₯΅Υ΄±½…₯Μ€ΰΈΝ΄μ„Ι…Ρ₯Ό½˜€ΔΤΈΨθāΝΑ…Έ)±•ΉΡ ΡΌΝ…œ€‘Ι•™•ΘΡΌ₯ΥΙ”€Ψ€ΈQ‘₯́ɅΡ₯Ό₯́΅Υ ‘₯‘•Θ)Ρ‘…Έ„ΡΙ…‘₯Ρ₯½Ή…°ΝΥΝΑ•ΉΝ₯½Έ‰Ι₯‘”°έ‘₯ ™…±±Μ±½Ν•ΘΡΌ(ΔΐθΔ°‰ΥЁё”±₯΅₯Ρ…Ρ₯½ΉΜ₯ΈΡ½έ•Θ‘•₯‘ЁɕΕΥ₯Ι”Ρ‘₯́±•ΝΜ)•™™₯₯•ΉΠ…ΙΙ…Ή•΅•ΉΠΈ)Q‘”…‰±”‰…¬΅Νх䁅Ή±•Μέ•Ι”‘•Ρ•Ι΅₯Ή•‰δ΅…э‘₯Ήœ)Ρ‘”΅…₯ΈΝΑ…Έ…‰±”…Ή±”έ₯Ρ‘₯Έ„™•ά‘•Ι••ΜΈ δ)­••Α₯ΉœΡ‘•Ν”…‰±”…Ή±•ΜΝ₯΅₯±…Θ°Ρ‘”™½Ι•Μ…Ρ₯Ήœ½Έ)Ρ‘”Ρ½έ•Θ…Ι”…±΅½ΝЁ•ΉΡ₯Ι•±δΩ•ΙΡ₯…°°έ‘₯ ₯́₯΅Α½ΙΡ…ΉΠ)έ₯Ρ „‘₯Ή•Ρ½έ•ΘΡ‘…Ё₯́™Ι•”ΡΌΙ½Ρ…Ρ”Έ)Q‘”ΡΙ…ΉΝΩ•ΙΝ”•½΅•ΡΙ䁽˜Ρ‘”΅…₯Έ…‰±•Μ₯́‘Υ”ΡΌΡ‘”)₯Ή±₯Ή•ΝΥΝΑ•Ή‘•Ί…́΅•ΉΡ₯½Ή•₯ΈΡ‘”Ρ½έ•Θ‘•Ν₯ΈΈ)Q‘”ΝΥΝΑ•Ή‘•Ί…Ι”…ΑΑΙ½α₯΅…Ρ•±δ€Ϋ ΐ™Ι½΄Ω•ΙΡ₯…°…Ή)Ρ‘”΅…₯Έ…‰±•Μ΅…э …½Ι‘₯Ή±δ€‘Ν•”₯ΥΙ”€ά€Έ)Q‘”ΡΙ…©•Ρ½Ι䁽˜Ρ‘”…‰±•Μ₯́…ΙΙ₯•‰•ε½ΉΡ‘”Ρ½έ•ΙΜ)…±°Ρ‘”έ…δΡΌΡ‘”…Ή‘½ΘΡΌ±₯΅₯Ёё”½΅ΑΙ•ΝΝ₯½Έ₯ΈΡ‘”)ѽݕȁѽΐ‰Ι…”΅•΅‰•ΘΈQ‘”Ι•ΝΥ±Ρ₯Ήœ…Ή‘½ΘΑ½₯ΉΡ́…Ι”(ΤΈΩ΄…Α…ΙΠΈ)Q‘”…‰±•Μ…Ι”…Ή‘½Ι•‰δ±½½Α₯ΉœΡ‘•΄…Ι½ΥΉ„ΝΡ••°)Α₯Α”…Ή±…΅Α₯ΉœΡ‘•΄ΡΌΡ‘•΅Ν•±Ω•Μέ₯Ρ ‘Ι½ΐ΄)™½Ι•έ₯Ι”Ι½Α”±₯ΑΜΈQ‘”…Ή‘½Θ‰•…΄₯́‘•Ν₯Ή•…Μ)„‘•…‘΅…Έ…Ή‘½Θ‰•…΄έ₯Ρ ½Ω•Ι‰ΥΙ‘•ΈΝ½₯°Ω•ΙΡ₯…°)Ι•Ν₯ΝΡ…Ή”…ΉΑ…ΝΝ₯Ω”•…ΙΡ ΑΙ•ΝΝΥΙ”‘½Ι₯ι½ΉΡ…°)Ι•Ν₯ΝΡ…Ή”Έ(ΜΌΘΐΔ