Laying and compacting concrete mix and curing newly laid concrete
Tools and equipment for laying and compacting concrete mix
Complete the text with the expressions in brackets. Uzupełnij tekst wyrażeniami podanymi w nawiasach.
densified , harden, tripper trailers, formwork , transport , cured, concrete , concrete mix
1. ................................ is transported to a construction site with concrete mixers. (mieszanka betonowa)
2. At a construction site, concrete mix can be transported with ................................ . (wywrotki wannowe)
3. Concrete should slide to the ................................ as gently as possible. (deskowanie)
4. ................................ of concrete mix to the place of installation should be performed in such a way that the ingredients don’t disintegrate. (transport)
5. Concrete mix should be laid in the formwork before cement begins to ................................ . (wiązać)
6. When the mix has hardened, it should be ................................ . (zagęszczona)
7. Newly laid and compacted concrete must be ................................ . (poddany pielęgnacji)
8. Newly laid and compacted ................................ must be kept wet by humidifying. (beton)
Tools and equipment for laying and compacting concrete mix
Match the Polish expressions with their English equivalents. Połącz polskie terminy z ich angielskimi odpowiednikami.
wibrator, dziobak, przenośnik taśmowy, listwa wibracyjna, rura teleskopowa, sztychówka, ubijak, betonomieszarka
| slag hammer | |
| conveyor belt | |
| vibrator | |
| concrete mixer | |
| wet screed | |
| spade | |
| telescopic tube | |
| rammer |
Curing new concrete
1. Film in the standard version.
Film dostępny pod adresem /preview/resource/RCZ79UMfjaTpB
Pielęgnacja świeżego betonu
2. Film with subtitles.
Film dostępny pod adresem /preview/resource/RHt5cWtkIHtjj
Pielęgnacja świeżego betonu
3. Film with pauses. Listen and repeat.
Film dostępny pod adresem /preview/resource/R2ZYp9Shbj9Kl
Pielęgnacja świeżego betonu
4. Film with narration.
Film dostępny pod adresem /preview/resource/RusAgwn0E4uBm
Pielęgnacja świeżego betonu
After watching the film arrange the dialogue approprietly. Po obejrzeniu filmu ułóż dialog w odpowiedniej kolejności.
- 24 hours after pouring.
- We used Portland cement, so for 7 days.
- Yes, it should be sprayed with water.
- I would cover the concrete slab with a plastic sheet.
- Very well. You are prepared to cure concrete. Get down to work.
- For how long?
- And if the temperature fell down below zero centigrade at night, what should you do?
- I would cover the concrete slab with insulating mats.
- And when can spraying begin?
- Right. And what if it started raining cats and dogs today?
- You have poured the concrete slab, now it must be properly cured. Do you know how to do it?
After watching the film, mark the correct answer. Po obejrzeniu filmu zaznacz prawidłową odpowiedź.
| Prawda | Fałsz | |
| The student began curing concrete. | □ | □ |
| The student poured a concrete slab. | □ | □ |
| The slab should be sprayed with water. | □ | □ |
| Spraying begins right after pouring concrete. | □ | □ |
| The student will be spraying the slab for 14 days. | □ | □ |
| The cement used for concrete was Portland cement. | □ | □ |
| If the temperature falls down below zero centigrade, you don’t have to cover the slab with insulating mats. | □ | □ |
| The student is prepared to cure concrete. | □ | □ |
Instruction for making an RC element in the formwork
Film dostępny pod adresem /preview/resource/RufcgNANqAoxv
Instrukcja wykonania elementu żelbetowego w deskowaniu
After listening to the film above, mark the correct answer. Po wysłuchaniu powyższego filmu zaznacz prawidłową odpowiedź.
| Prawda | Fałsz | |
| Formwork should be checked for rigidity. | □ | □ |
| Formwork doesn’t have to be chceked for stability. | □ | □ |
| All impurities should be removed from the formwork. | □ | □ |
| Formwork should be coated with an adhesive agent. | □ | □ |
| In RC works spacers are not checked. | □ | □ |
| Concrete mixes are laid from a low height, and distributed homogenously at the same time. | □ | □ |
| Concrete mixes are compacted mechanically or manually. | □ | □ |
| Concrete surface doesn’t have to be levelled. | □ | □ |
Match the Polish expressions with their English equivalents. Połącz polskie terminy z ich angielskimi odpowiednikami.
Zagęszczanie mieszanki betonowej., Oczyszczenie deskowania., Pielęgnacja świeżego betonu., Sprawdzenie deskowania., Układanie mieszanki betonowej., Wyrównanie powierzchni betonu., Naniesienie na deskowanie środka antyadhezyjnego., Sprawdzenie zbrojenia i podkładek dystansowych.
| Checking a formwork. | |
| Cleaning a formwork. | |
| Applying an adhesive on formwork. | |
| Checking reinforcement and spacers. | |
| Laying concrete mix. | |
| Compacting concrete mix. | |
| Levelling concrete surface. | |
| Curing new concrete. |
Grammar
Complete the sentences with the correct forms of verbs in the Past Simple Tense. Uzupełnij zdania wstawiając czasowniki w czasie przeszłym.
1. How much ............ a plumb bob ............ ? (cost)
2. How many cornice tiles ............ there in order? (be)
3. What colour ............ the central tile? (be)
4. I don’t know why the tile hammer ...................... . (not work)
5. ............ the clients happy with a cost estimate? (be)
6. My brother in law .................. using aluminium sheet. (suggest)
7. The builder ................ find any fire resistant mortar in a warehouse. (cannot)
8. I .................... any corner tiles yesterday. (not buy)
Choose the correct answer. Wybierz poprawną odpowiedź.
for, on, below, behind, at, below, to, on, , below, in, between, on, in, in, by, over, with, with, between, of, for, for, in, of
1. There are some impurities .............. the formwork. We must remove them.
2. Formwork should be checked .............. rigidity.
3. Formwork should be coated .............. an adhesive agent.
4. The slab should be sprayed .............. water.
5. The concrete mixer is in the middle: .............. the tripper trailer and the truck concrete mixer pump.
6. The insulating mats are .............. the warehouse.
7. Is Jacek .............. the construction site? No, he hasn’t come yet.
8. if the temperature fell down .............. zero centigrade, I would cover the concrete slab with insulating mats.
Glossary
/ˈkɒŋ.kriːt ˈmɪk.sər/ [noun, countable] betonomieszarka
/kənˈveɪ.ə/ [noun, countable] taśmociąg
/kənˈveɪ.ə ˌbelt/ [noun, countable] przenośnik taśmowy
/kreɪn ˈbʌk.ɪt/ [noun, countable] kubeł dźwigowy
/ɪmˈpjʊə.rə.tiz/ [noun, countable, plural] zanieczyszczenia
/ˈɪn.sjə.leɪtɪŋ mæt/ [noun, countable] mata izolacyjna
/ˈlev.əl eiˈsɜː.fɪs/ [verb, regular] wyrównać powierzchnię
/pleɪs əv ˌɪn.stəˈleɪ.ʃən/ [noun, uncountable] miejsce wbudowania
/ˈplæs.tɪk ʃiːt/ [noun, countable] folia z tworzywa sztucznego
/ˈpɔːtlənd sɪˈment/ [noun, uncountable] cement portlandzki
/rəˈdʒɪd·ɪ·t̬i/ [noun, uncountable] sztywność
/spreɪ wɪð ˈwɔː.tər/ [verb, regular] spryskać wodą
/stəˈbɪl.ə.ti/ [noun, uncountable] stateczność
/ˌtelɪˈskɒpɪk tʃuːb/ [noun, countable] rura teleskopowa
/ˈtrɪp.ər ˈtreɪ.lər/ [noun, countable] wywrotka wannowa